upgrade paho-mqtt to no longer suppress exceptions occuring in mqtt callbacks

https://github.com/eclipse/paho.mqtt.python/blob/v1.5.1/ChangeLog.txt#L4

CHANGELOG.md

@@ -9,7 +9,10 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - command line option `--poweroff-delay-seconds` (default: 4 seconds)
 
 ### Changed
-- docker build stage: revert user after applying `chown` workaround for inter-stage copy
+- docker image:
+  - upgrade `paho-mqtt` to no longer suppress exceptions occuring in mqtt callbacks
+    ( https://github.com/eclipse/paho.mqtt.python/blob/v1.5.1/ChangeLog.txt#L4 )
+  - build stage: revert user after applying `chown` workaround for inter-stage copy
 
 ## [0.4.0] - 2020-09-10
 ### Added

Pipfile.lock

@@ -24,9 +24,9 @@
         },
         "paho-mqtt": {
             "hashes": [
-                "sha256:e3d286198baaea195c8b3bc221941d25a3ab0e1507fc1779bdb7473806394be4"
+                "sha256:9feb068e822be7b3a116324e01fb6028eb1d66412bf98595ae72698965cb1cae"
             ],
-            "version": "==1.5.0"
+            "version": "==1.5.1"
         },
         "pycairo": {
             "hashes": [
@@ -62,10 +62,10 @@
         },
         "attrs": {
             "hashes": [
-                "sha256:26b54ddbbb9ee1d34d5d3668dd37d6cf74990ab23c828c2888dccdceee395594",
-                "sha256:fce7fc47dfc976152e82d53ff92fa0407700c21acd20886a13777a0d20e655dc"
+                "sha256:31b2eced602aa8423c2aea9c76a724617ed67cf9513173fd3a4f03e3a929c7e6",
+                "sha256:832aa3cde19744e49938b91fea06d69ecb9e649c93ba974535d08ad92164f700"
             ],
-            "version": "==20.2.0"
+            "version": "==20.3.0"
         },
         "black": {
             "hashes": [
@@ -124,11 +124,11 @@
         },
         "importlib-metadata": {
             "hashes": [
-                "sha256:0505dd08068cfec00f53a74a0ad927676d7757da81b7436a6eefe4c7cf75c545",
-                "sha256:15ec6c0fd909e893e3a08b3a7c76ecb149122fb14b7efe1199ddd4c7c57ea958"
+                "sha256:77a540690e24b0305878c37ffd421785a6f7e53c8b5720d211b211de8d0e95da",
+                "sha256:cefa1a2f919b866c5beb7c9f7b0ebb4061f30a8a9bf16d609b000e2dfaceb9c3"
             ],
             "index": "pypi",
-            "version": "==1.6.1"
+            "version": "==2.0.0"
         },
         "iniconfig": {
             "hashes": [
@@ -180,23 +180,23 @@
         },
         "mypy": {
             "hashes": [
-                "sha256:00cb1964a7476e871d6108341ac9c1a857d6bd20bf5877f4773ac5e9d92cd3cd",
-                "sha256:127de5a9b817a03a98c5ae8a0c46a20dc44442af6dcfa2ae7f96cb519b312efa",
-                "sha256:1f3976a945ad7f0a0727aafdc5651c2d3278e3c88dee94e2bf75cd3386b7b2f4",
-                "sha256:2f8c098f12b402c19b735aec724cc9105cc1a9eea405d08814eb4b14a6fb1a41",
-                "sha256:4ef13b619a289aa025f2273e05e755f8049bb4eaba6d703a425de37d495d178d",
-                "sha256:5d142f219bf8c7894dfa79ebfb7d352c4c63a325e75f10dfb4c3db9417dcd135",
-                "sha256:62eb5dd4ea86bda8ce386f26684f7f26e4bfe6283c9f2b6ca6d17faf704dcfad",
-                "sha256:64c36eb0936d0bfb7d8da49f92c18e312ad2e3ed46e5548ae4ca997b0d33bd59",
-                "sha256:75eed74d2faf2759f79c5f56f17388defd2fc994222312ec54ee921e37b31ad4",
-                "sha256:974bebe3699b9b46278a7f076635d219183da26e1a675c1f8243a69221758273",
-                "sha256:a5e5bb12b7982b179af513dddb06fca12285f0316d74f3964078acbfcf4c68f2",
-                "sha256:d31291df31bafb997952dc0a17ebb2737f802c754aed31dd155a8bfe75112c57",
-                "sha256:d3b4941de44341227ece1caaf5b08b23e42ad4eeb8b603219afb11e9d4cfb437",
-                "sha256:eadb865126da4e3c4c95bdb47fe1bb087a3e3ea14d39a3b13224b8a4d9f9a102"
+                "sha256:0a0d102247c16ce93c97066443d11e2d36e6cc2a32d8ccc1f705268970479324",
+                "sha256:0d34d6b122597d48a36d6c59e35341f410d4abfa771d96d04ae2c468dd201abc",
+                "sha256:2170492030f6faa537647d29945786d297e4862765f0b4ac5930ff62e300d802",
+                "sha256:2842d4fbd1b12ab422346376aad03ff5d0805b706102e475e962370f874a5122",
+                "sha256:2b21ba45ad9ef2e2eb88ce4aeadd0112d0f5026418324176fd494a6824b74975",
+                "sha256:72060bf64f290fb629bd4a67c707a66fd88ca26e413a91384b18db3876e57ed7",
+                "sha256:af4e9ff1834e565f1baa74ccf7ae2564ae38c8df2a85b057af1dbbc958eb6666",
+                "sha256:bd03b3cf666bff8d710d633d1c56ab7facbdc204d567715cb3b9f85c6e94f669",
+                "sha256:c614194e01c85bb2e551c421397e49afb2872c88b5830e3554f0519f9fb1c178",
+                "sha256:cf4e7bf7f1214826cf7333627cb2547c0db7e3078723227820d0a2490f117a01",
+                "sha256:da56dedcd7cd502ccd3c5dddc656cb36113dd793ad466e894574125945653cea",
+                "sha256:e86bdace26c5fe9cf8cb735e7cedfe7850ad92b327ac5d797c656717d2ca66de",
+                "sha256:e97e9c13d67fbe524be17e4d8025d51a7dca38f90de2e462243ab8ed8a9178d1",
+                "sha256:eea260feb1830a627fb526d22fbb426b750d9f5a47b624e8d5e7e004359b219c"
             ],
             "index": "pypi",
-            "version": "==0.780"
+            "version": "==0.790"
         },
         "mypy-extensions": {
             "hashes": [
@@ -275,11 +275,11 @@
         },
         "pytest-cov": {
             "hashes": [
-                "sha256:1a629dc9f48e53512fcbfda6b07de490c374b0c83c55ff7a1720b3fccff0ac87",
-                "sha256:6e6d18092dce6fad667cd7020deed816f858ad3b49d5b5e2b1cc1c97a4dba65c"
+                "sha256:45ec2d5182f89a81fc3eb29e3d1ed3113b9e9a873bcddb2a71faaab066110191",
+                "sha256:47bd0ce14056fdd79f93e1713f88fad7bdcc583dcd7783da86ef2f085a0bb88e"
             ],
             "index": "pypi",
-            "version": "==2.10.0"
+            "version": "==2.10.1"
         },
         "regex": {
             "hashes": [