Adding missing Antrea 1.5.3 spec configurations

[knabben]

What this PR does / why we need it

Adding missing configuration for Antrea 1.5.3 AntreaConfig

Removed dualstack checks, setting only IPv4
Moving to a topic branch.
#3252

Which issue(s) this PR fixes

Fixes #

Describe testing done for PR

Release note

Update Clusterbootstrap to read and parse variables for Antrea 1.5.3

[github-actions]

Cluster Generation A/B Results:
https://storage.googleapis.com/tkg-clustergen/3650/20221013175355/clustergen.diff.txt
Author/reviewers:
Please review to verify that the effects on the generated cluster configurations are exactly what the PR intended, and give a thumbs-up if so.

[codecov]

Codecov Report

Merging #3650 (cca02b4) into main (321c521) will decrease coverage by 0.85%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main    #3650      +/-   ##
==========================================
- Coverage   46.24%   45.39%   -0.86%     
==========================================
  Files         400      425      +25     
  Lines       39630    41194    +1564     
==========================================
+ Hits        18328    18698     +370     
- Misses      19611    20792    +1181     
- Partials     1691     1704      +13     

Impacted Files	Coverage Δ
tkg/tkgconfighelper/validate.go	81.81% <0.00%> (ø)
cmd/cli/plugin/cluster/set_node_pool.go	14.63% <0.00%> (ø)
cmd/cli/plugin/cluster/credentials_update.go	9.23% <0.00%> (ø)
cmd/cli/plugin/cluster/upgrade.go	57.55% <0.00%> (ø)
.../cli/plugin/cluster/set_machinehealthcheck_node.go	23.33% <0.00%> (ø)
...in/cluster/get_machinehealthcheck_control_plane.go	11.11% <0.00%> (ø)
cmd/cli/plugin/cluster/scale.go	17.85% <0.00%> (ø)
...cluster/delete_machinehealthcheck_control_plane.go	16.66% <0.00%> (ø)
cmd/cli/plugin/cluster/osimage.go	100.00% <0.00%> (ø)
cmd/cli/plugin/cluster/machinehealthcheck.go	100.00% <0.00%> (ø)
... and 18 more

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[wjun]

LGTM.

[wjun]

Please do not use a forked branch when the pr will trigger capa or capd integration tests.