Use Node `fs` APIs instead of `del` #10759

Job	Run time
check-codeql-versions	33s
analyze-other (actions)	52s
analyze-other (python)	1m 1s
analyze-javascript (windows-2025, linked)	5m 24s
analyze-javascript (macos-14)	7m 6s
analyze-javascript (windows-2022)	5m 13s
analyze-javascript (ubuntu-24.04, linked)	4m 2s
analyze-javascript (macos-13)	10m 52s
analyze-javascript (macos-15)	8m 7s
analyze-javascript (ubuntu-22.04)	4m 4s
analyze-javascript (ubuntu-24.04)	4m 13s
analyze-javascript (macos-13, linked)	8m 42s
analyze-javascript (ubuntu-22.04, linked)	4m 24s
analyze-javascript (macos-15, linked)	10m 51s
analyze-javascript (macos-14, linked)	6m 3s
analyze-javascript (windows-2025)	5m 23s
analyze-javascript (windows-2022, linked)	5m 13s
	1h 32m 3s

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