Remove support for CodeQL 2.12.5 and earlier #4654

Job	Run time
Go: Custom queries (ubuntu-latest, stable-20230403)	1m 44s
Go: Custom queries (macos-latest, stable-20230403)	3m 36s
Go: Custom queries (windows-latest, stable-20230403)	6m 49s
Go: Custom queries (ubuntu-latest, stable-v2.13.5)	1m 45s
Go: Custom queries (macos-latest, stable-v2.13.5)	5m 30s
Go: Custom queries (windows-latest, stable-v2.13.5)	4m 48s
Go: Custom queries (ubuntu-latest, stable-v2.14.6)	1m 33s
Go: Custom queries (macos-latest, stable-v2.14.6)	4m 8s
Go: Custom queries (windows-latest, stable-v2.14.6)	6m 48s
Go: Custom queries (ubuntu-latest, stable-v2.15.5)	2m 4s
Go: Custom queries (macos-latest, stable-v2.15.5)	3m 35s
Go: Custom queries (windows-latest, stable-v2.15.5)	6m 15s
Go: Custom queries (ubuntu-latest, stable-v2.16.6)	1m 47s
Go: Custom queries (macos-latest, stable-v2.16.6)	5m 16s
Go: Custom queries (windows-latest, stable-v2.16.6)	4m 58s
Go: Custom queries (ubuntu-latest, default)	2m 5s
Go: Custom queries (macos-latest, default)	7m 32s
Go: Custom queries (windows-latest, default)	5m 5s
Go: Custom queries (ubuntu-latest, latest)	1m 18s
Go: Custom queries (macos-latest, latest)	4m 51s
Go: Custom queries (windows-latest, latest)	7m 5s
Go: Custom queries (ubuntu-latest, nightly-latest)	1m 41s
Go: Custom queries (macos-latest, nightly-latest)	5m 54s
Go: Custom queries (windows-latest, nightly-latest)	6m 55s
	1h 43m 2s

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