bump `rpassword` dependency further (v4 to v5)

not sure from brief look at commit log why they jumped to v5, did not care
to dig into it; compiles fine with v5.

Cargo.lock

@@ -1283,7 +1283,7 @@ dependencies = [
  "num-bigint 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rpassword 4.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rpassword 5.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha-1 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-core 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2195,7 +2195,7 @@ dependencies = [
 
 [[package]]
 name = "rpassword"
-version = "4.0.5"
+version = "5.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.73 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3395,7 +3395,7 @@ dependencies = [
 "checksum ring 0.16.18 (registry+https://github.com/rust-lang/crates.io-index)" = "70017ed5c555d79ee3538fc63ca09c70ad8f317dcadc1adc2c496b60c22bb24f"
 "checksum rle-decode-fast 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cabe4fa914dec5870285fa7f71f602645da47c486e68486d2b4ceb4a343e90ac"
 "checksum rodio 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c9683532495146e98878d4948fa1a1953f584cd923f2a5f5c26b7a8701b56943"
-"checksum rpassword 4.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "99371657d3c8e4d816fb6221db98fa408242b0b53bac08f8676a41f8554fe99f"
+"checksum rpassword 5.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d755237fc0f99d98641540e66abac8bc46a0652f19148ac9e21de2da06b326c9"
 "checksum rustc-demangle 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)" = "6e3bad0ee36814ca07d7968269dd4b7ec89ec2da10c4bb613928d3077083c232"
 "checksum rustc-hash 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "08d43f7aa6b08d49f382cde6a7982047c3426db949b1424bc4b7ec9ae12c6ce2"
 "checksum rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "138e3e0acb6c9fb258b19b67cb8abd63c00679d2851805ea151465464fe9030a"

Cargo.toml

@@ -49,7 +49,7 @@ log = "0.4"
 num-bigint = "0.3"
 protobuf = "~2.14.0"
 rand = "0.7"
-rpassword = "4.0"
+rpassword = "5.0"
 tokio-core = "0.1"
 tokio-io = "0.1"
 tokio-process = "0.2"