optimize hpa & pdb version select

[johnlanni]

Ⅰ. Describe what this PR did

Ⅱ. Does this pull request fix one issue?

Ⅲ. Why don't you add test cases (unit test/integration test)?

Ⅳ. Describe how to verify it

Ⅴ. Special notes for reviews

[iutx]

👍It's handled very quickly. The same commit.I started by trying to abstract the common library package, referenced by higress and istio. However, istio officials have already processed it, and only need add an hpa template to higress.

https://github.com/iutx/higress/commit/83a08286f8775683f30e6fd2ac11f98dca889e80