Update docker.io/eclipse-mosquitto Docker tag to v2.0.22

v2.0.22

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Broker:

• Windows: Fix broker crash on startup if using log_dest stdout
• Bridge: Fix idle_timeout never occurring for lazy bridges.
• Fix case where max_queued_messages = 0 was not treated as unlimited.
  Closes #​3244.
• Fix --version exit code and output. Closes #​3267.
• Fix crash on receiving a $CONTROL message over a bridge, if
  per_listener_settings is set true and the bridge is carrying out topic
  remapping. Closes #​3261.
• Fix incorrect reference clock being selected on startup on Linux.
  Closes #​3238.
• Fix reporting of client disconnections being incorrectly attributed to "out
  of memory". Closes #​3253.
• Fix compilation when using WITH_OLD_KEEPALIVE. Closes #​3250.
• Add Windows linker file for the broker to the installer. Closes #​3269.
• Fix Websockets PING not being sent on Windows. Closes #​3272.
• Fix problems with secure websockets. Closes #​1211.
• Fix crash on exit when using WITH_EPOLL=no. Closes #​3302.
• Fix clients being incorrectly expired when they have keepalive ==
  max_keepalive. Closes #​3226, #​3286.

Dynamic security plugin:

• Fix mismatch memory free when saving config which caused memory tracking to
  be incorrect.

Client library:

• Fix C++ symbols being removed when compiled with link time optimisation.
  Closes #​3259.
• TLS error handling was incorrectly setting a protocol error for non-TLS
  errors. This would cause the mosquitto_loop_start() thread to exit if no
  broker was available on the first connection attempt. This has been fixed.
  Closes #​3258.
• Fix linker errors on some architectures using cmake. Closes #​3167.

Tests:

• Fix 08-ssl-connect-cert-auth-expired and 08-ssl-connect-cert-auth-revoked
  tests when running on a single CPU system. Closes #​3230.