Helm Chart: Add annotations to the service account in the Helm chart

[0m1xa]

Add annotations to pass with helm chart values.

Proposed changes

Describe the use case and detail of the change. If this PR addresses an issue on GitHub, make sure to include a link to that issue here in this description (not in the title of the PR). The main idea is to have the ability to provide annotations to the service account. It may be useful in many cases. For example, according to this documentation, the service account should have the proper annotation when using the ingress controller with AWS Marketplace. Before this PR it was not possible to specify this annotation with the helm chart.

Checklist

Before creating a PR, run through this checklist and mark each as complete.

• [x] I have read the CONTRIBUTING doc
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] I have checked that all unit tests pass after adding my changes
• [x] I have updated necessary documentation
• [x] I have rebased my branch onto main
• [x] I will ensure my PR is targeting the main branch and pulling from my branch from my own fork

[0m1xa]

@jasonwilliams14 Please see another update. I mentioned that values.yml uses the unnecessary parameter includeYear, preventing PODs from successfully starting. I've tested it with 2.3.0 and 2.3.1

[lucacome]

@0m1xa if you test it with edge it shouldn't complain about includeYear

[codecov-commenter]

Codecov Report

Merging #3065 (b9f2b53) into main (bf67929) will decrease coverage by 0.00%. The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3065      +/-   ##
==========================================
- Coverage   52.29%   52.28%   -0.01%     
==========================================
  Files          58       58              
  Lines       15995    16006      +11     
==========================================
+ Hits         8364     8369       +5     
- Misses       7352     7358       +6     
  Partials      279      279              

Impacted Files	Coverage Δ
internal/k8s/controller.go	11.10% <0.00%> (-0.02%)	:arrow_down:
cmd/nginx-ingress/main.go	0.00% <0.00%> (ø)
cmd/nginx-ingress/flags.go	34.42% <0.00%> (ø)
internal/configs/config_params.go	76.74% <0.00%> (ø)
internal/configs/version2/http.go	0.00% <0.00%> (ø)
internal/configs/version1/config.go	0.00% <0.00%> (ø)
internal/k8s/configuration.go	95.39% <0.00%> (+<0.01%)	:arrow_up:
internal/configs/virtualserver.go	95.22% <0.00%> (+<0.01%)	:arrow_up:
internal/configs/transportserver.go	93.81% <0.00%> (+0.03%)	:arrow_up:
internal/configs/configmaps.go	20.37% <0.00%> (+0.16%)	:arrow_up:

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