Support `undefined`, `number` in JSON module #12670

Job	Run time
check-codeql-versions	11s
analyze-other (python)	51s
analyze-other (actions)	45s
analyze-javascript (ubuntu-24.04, linked)	4m 16s
analyze-javascript (windows-2022)	5m 37s
analyze-javascript (ubuntu-22.04)	4m 22s
analyze-javascript (windows-2025)	5m 49s
analyze-javascript (windows-2025, linked)	5m 27s
analyze-javascript (windows-2022, linked)	5m 29s
analyze-javascript (macos-15-xlarge, linked)	2m 34s
analyze-javascript (ubuntu-24.04)	4m 32s
analyze-javascript (macos-14-xlarge, linked)	2m 26s
analyze-javascript (macos-15-xlarge)	3m 13s
analyze-javascript (macos-14-xlarge)	3m 2s
analyze-javascript (ubuntu-22.04, linked)	3m 9s
	51m 43s

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