Comment out tests against antlr 4.9. #515

Job	Run time
Integration tests (py39)	3m 56s
Integration tests (py310)	3m 50s
Unit tests (py39, ubuntu-latest)	3m 56s
Pre-commit checks	32s
Integration tests (py311)	3m 56s
Unit tests (py39, windows-latest)	3m 17s
Unit tests (py39, macos-latest)	2m 22s
Integration tests (py312)	3m 48s
Unit tests (py310, ubuntu-latest)	3m 52s
Integration tests (py313)	3m 53s
Unit tests (py310, windows-latest)	3m 11s
Integration tests (antlr410)	3m 47s
Integration tests (antlr411)	4m 2s
Unit tests (py310, macos-latest)	2m 36s
Integration tests (antlr412)	3m 49s
Unit tests (py311, ubuntu-latest)	3m 37s
Integration tests (antlr413)	4m 14s
Unit tests (py311, windows-latest)	3m 9s
Integration tests (sa1)	3m 50s
Unit tests (py311, macos-latest)	2m 27s
Integration tests (sa2)	3m 50s
Unit tests (py312, ubuntu-latest)	3m 36s
Unit tests (py312, windows-latest)	3m 2s
Unit tests (py312, macos-latest)	2m 36s
Unit tests (py313, ubuntu-latest)	3m 38s
Unit tests (py313, windows-latest)	3m 2s
Unit tests (py313, macos-latest)	2m 16s
Unit tests (antlr410, ubuntu-latest)	3m 51s
Unit tests (antlr410, windows-latest)	3m 8s
Unit tests (antlr410, macos-latest)	2m 27s
Unit tests (antlr411, ubuntu-latest)	3m 55s
Unit tests (antlr411, windows-latest)	3m 3s
Unit tests (antlr411, macos-latest)	2m 25s
Unit tests (antlr412, ubuntu-latest)	3m 36s
Unit tests (antlr412, windows-latest)	2m 43s
Unit tests (antlr412, macos-latest)	2m 20s
Unit tests (antlr413, ubuntu-latest)	3m 58s
Unit tests (antlr413, windows-latest)	2m 59s
Unit tests (antlr413, macos-latest)	2m 34s
	2h 7m 3s

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