chore: mark v2beta3 deprecated

[tao12345666333]

xref: #1194

[AlinsRan]

https://github.com/apache/apisix-ingress-controller/blob/master/test/e2e/suite-plugins/suite-plugins-other/plugin_config.go#L538
Need to replace with NewDefaultV2beta3Scaffold

[codecov-commenter]

Codecov Report

Merging #1198 (7c3d923) into master (1765ec9) will decrease coverage by 0.48%.
The diff coverage is 1.16%.

❗ Current head 7c3d923 differs from pull request most recent head 7444d05. Consider uploading reports for the commit 7444d05 to get more accurate results

@@            Coverage Diff             @@
##           master    #1198      +/-   ##
==========================================
- Coverage   30.45%   29.96%   -0.49%     
==========================================
  Files          81       81              
  Lines        9839    10029     +190     
==========================================
+ Hits         2996     3005       +9     
- Misses       6517     6697     +180     
- Partials      326      327       +1     

Impacted Files	Coverage Δ
pkg/config/config.go	65.34% <ø> (ø)
pkg/ingress/apisix_route.go	0.00% <0.00%> (ø)
pkg/ingress/apisix_upstream.go	0.00% <0.00%> (ø)
pkg/ingress/endpointslice.go	0.00% <0.00%> (ø)
pkg/ingress/utils/manifest.go	45.62% <0.00%> (ø)
pkg/ingress/utils/string.go	0.00% <0.00%> (ø)
cmd/ingress/ingress.go	79.04% <100.00%> (+0.20%)	⬆️
pkg/kube/translation/apisix_route.go	20.60% <100.00%> (ø)
pkg/kube/translation/translator.go	40.47% <100.00%> (+6.19%)	⬆️

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