Modify github test actions and add release action

[samutamm]

Add Github action that runs .goreleaser.yml when a release tag is created (tag starts with v, for example v1.4.1 but not beta-v1.4.1). Release action also runs tests before creating the release.

To-do

• test with real release

References:

• https://goreleaser.com/ci/actions/

[codecov-commenter]

Codecov Report

Merging #433 (a0843c9) into main (fb7d28c) will increase coverage by 0.22%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #433      +/-   ##
==========================================
+ Coverage   80.44%   80.66%   +0.22%     
==========================================
  Files          70       70              
  Lines        8094     8194     +100     
==========================================
+ Hits         6511     6610      +99     
- Misses       1225     1229       +4     
+ Partials      358      355       -3     

Impacted Files	Coverage Δ
pkg/filter/mock/mock.go	90.42% <0.00%> (-4.66%)	⬇️
pkg/filter/proxy/pool.go	80.00% <0.00%> (-2.66%)	⬇️
pkg/object/mqttproxy/client.go	78.53% <0.00%> (-1.47%)	⬇️
pkg/object/meshcontroller/spec/spec.go	87.20% <0.00%> (+0.07%)	⬆️
pkg/cluster/config.go	89.07% <0.00%> (+0.18%)	⬆️
pkg/util/urlclusteranalyzer/urlclusteranalyzer.go	96.10% <0.00%> (+0.38%)	⬆️
pkg/cluster/cluster.go	50.68% <0.00%> (+1.02%)	⬆️
pkg/util/jmxtool/agent_controller.go	66.66% <0.00%> (+1.96%)	⬆️
pkg/filter/proxy/server.go	73.54% <0.00%> (+2.95%)	⬆️
pkg/object/pipeline/mock.go	86.95% <0.00%> (+5.94%)	⬆️
... and 1 more

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