Add VersionCheck and Metadata to Agent labels

[AlexFenlon]

Proposed changes

• Add version check to see if it is Agent V2 or Agent V3
• Add metadata on the deplyoment to send to Agent
• Update deployment id to look for more than 1 pod and to return the name of the deployment if its not daemonset or replicaset

Checklist

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

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

[codecov]

Codecov Report

Attention: Patch coverage is 36.36364% with 70 lines in your changes missing coverage. Please review.

Project coverage is 52.29%. Comparing base (c07da1c) to head (1170dc6).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
internal/nginx/manager.go	0.00%	27 Missing ⚠️
...nternal/common_cluster_info/common_cluster_info.go	0.00%	23 Missing ⚠️
internal/metadata/metadata.go	71.87%	6 Missing and 3 partials ⚠️
cmd/nginx-ingress/main.go	0.00%	8 Missing ⚠️
internal/nginx/version.go	85.00%	2 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #7737      +/-   ##
==========================================
- Coverage   52.34%   52.29%   -0.06%     
==========================================
  Files          89       90       +1     
  Lines       21373    21472      +99     
==========================================
+ Hits        11188    11228      +40     
- Misses       9719     9774      +55     
- Partials      466      470       +4     

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