Add support for Service Traffic Distribution in Antrea Proxy #33852

Job	Run time
Check whether tests need to be run based on diff	15s
Verify docs and spelling	41s
Integration test	11m 0s
Unit test (ubuntu-latest)	6m 46s
Unit test (windows-2022)	12m 9s
Golangci-lint (ubuntu-latest)	8m 17s
Golangci-lint (macos-latest)	4m 37s
Build Antrea and antctl binaries	10m 13s
Check tidy, code generation and manifest	5m 41s
Go benchmark test	4m 53s
Build Antrea Windows binaries	2m 0s
	1h 6m 32s

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