Increase Rate-limit config #28479

Job	Run time
Verify docs and spelling	20s
Check whether tests need to be run based on diff	19s
Integration test	15m 56s
Unit test (windows-2022)	23m 17s
Build Antrea and antctl binaries	16m 26s
Golangci-lint (macos-latest)	8m 59s
Golangci-lint (ubuntu-latest)	14m 42s
Unit test (ubuntu-latest)	14m 12s
Build Antrea Windows binaries	3m 25s
Go benchmark test	6m 46s
Check tidy, code generation and manifest	8m 27s
	1h 52m 49s

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