upgrade tor package from v0.4.4.8-r0 to v0.4.4.9-r0 and obfs4proxy package from v0.0.11-r2 to 0.0.11-r3 (see below)

> Tor 0.4.4.9 fixes several security issues, [...]
https://gitweb.torproject.org/tor.git/plain/ChangeLog
https://git.alpinelinux.org/aports/commit/?h=3.13-stable&id=1a4d9c72ba358ec1eba313fde97e9a512527200b

obfs4proxy:
> testing/*: rebuild with go 1.16.5
> Go binaries are statically linked, security updates require rebuilds
https://git.alpinelinux.org/aports/commit/?id=95690efbac51233c4255d0c33b706b70a9b02e1e

Dockerfile

@@ -1,8 +1,8 @@
 # https://pkgs.alpinelinux.org/packages?name=obfs4proxy&arch=x86_64
 FROM alpine:3.13.5
 
-ARG TOR_PACKAGE_VERSION=0.4.4.8-r0
-ARG OBFS4PROXY_PACKAGE_VERSION=0.0.11-r2
+ARG TOR_PACKAGE_VERSION=0.4.4.9-r0
+ARG OBFS4PROXY_PACKAGE_VERSION=0.0.11-r3
 RUN apk add --no-cache tor=$TOR_PACKAGE_VERSION \
     && apk add --no-cache obfs4proxy=$OBFS4PROXY_PACKAGE_VERSION \
         --repository http://dl-cdn.alpinelinux.org/alpine/edge/testing