Upgrade to alpine-3.14

[nwnt]

Signed-off-by: Nont nontkrub@gmail.com

Short description of the changes

This is update of my previous PR, Bumping the version of the image from alpine-3.13 to alpine-3.14 for both the root and the go images.

[jpkrohling]

This has been approved before already.

[codecov]

Codecov Report

Merging #3304 (7997e16) into master (b5c451a) will increase coverage by 0.01%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master    #3304      +/-   ##
==========================================
+ Coverage   95.98%   96.00%   +0.01%     
==========================================
  Files         259      259              
  Lines       15434    15434              
==========================================
+ Hits        14814    14817       +3     
+ Misses        526      523       -3     
  Partials       94       94              

Impacted Files	Coverage Δ
cmd/query/app/static_handler.go	95.80% <0.00%> (-1.80%)	⬇️
plugin/storage/integration/integration.go	79.28% <0.00%> (+0.39%)	⬆️
cmd/query/app/server.go	95.58% <0.00%> (+1.47%)	⬆️
pkg/config/tlscfg/cert_watcher.go	94.73% <0.00%> (+2.10%)	⬆️

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