feat: add wasm filter-chain entity support

[flrgh]

Note: requires Kong/go-kong#362

Summary

This adds support for the filter chain entity, added to Kong in 3.4.

Full changelog

• Add gateway FilterChain

Issues resolved

KAG-4005
KOKO-1275

Testing

• Unit tests
• E2E tests
• Manual testing on Universal
• Manual testing on Kubernetes

[CLAassistant]

All committers have signed the CLA.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 41.65202% with 332 lines in your changes are missing coverage. Please review.

Project coverage is 41.01%. Comparing base (54a82f6) to head (490f9bb).
Report is 3 commits behind head on main.

Files	Patch %	Lines
pkg/file/writer.go	17.34%	68 Missing and 13 partials ⚠️
pkg/file/types.go	34.21%	69 Missing and 6 partials ⚠️
pkg/file/builder.go	37.03%	42 Missing and 9 partials ⚠️
pkg/state/filter_chain.go	77.71%	25 Missing and 14 partials ⚠️
pkg/state/types.go	27.08%	35 Missing ⚠️
pkg/dump/dump.go	0.00%	28 Missing ⚠️
pkg/state/builder.go	0.00%	21 Missing ⚠️
pkg/diff/diff.go	0.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #72      +/-   ##
==========================================
+ Coverage   40.89%   41.01%   +0.11%     
==========================================
  Files          73       74       +1     
  Lines       10202    10736     +534     
==========================================
+ Hits         4172     4403     +231     
- Misses       5612     5875     +263     
- Partials      418      458      +40     

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