Fix `upload-sarif` Action failing if there are no Code Scanning SARIF files #10330

Job	Run time
analyze-other (python)	59s
check-codeql-versions	39s
analyze-other (actions)	46s
analyze-javascript (ubuntu-24.04)	3m 59s
analyze-javascript (ubuntu-22.04)	4m 5s
analyze-javascript (windows-2022, linked)	5m 30s
analyze-javascript (windows-2022)	8m 17s
analyze-javascript (ubuntu-22.04, linked)	4m 5s
analyze-javascript (windows-2025)	5m 26s
analyze-javascript (ubuntu-24.04, linked)	4m 13s
analyze-javascript (macos-15)	7m 41s
analyze-javascript (macos-13, linked)	5m 27s
analyze-javascript (windows-2025, linked)	5m 12s
analyze-javascript (macos-14, linked)	6m 43s
analyze-javascript (macos-15, linked)	7m 59s
analyze-javascript (macos-14)	6m 24s
analyze-javascript (macos-13)	6m 43s
	1h 24m 8s

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