Fix `upload-sarif` not uploading non-`.sarif` files #10457

Job	Run time
check-codeql-versions	36s
analyze-other (actions)	52s
analyze-other (python)	56s
analyze-javascript (ubuntu-24.04)	4m 5s
analyze-javascript (ubuntu-22.04)	3m 53s
analyze-javascript (ubuntu-22.04, linked)	4m 2s
analyze-javascript (windows-2022)	6m 7s
analyze-javascript (windows-2025)	7m 57s
analyze-javascript (windows-2022, linked)	6m 16s
analyze-javascript (ubuntu-24.04, linked)	4m 10s
analyze-javascript (macos-13, linked)	7m 36s
analyze-javascript (windows-2025, linked)	6m 34s
analyze-javascript (macos-14, linked)	4m 46s
analyze-javascript (macos-14)	7m 59s
analyze-javascript (macos-15)	7m 55s
analyze-javascript (macos-15, linked)	6m 44s
analyze-javascript (macos-13)	11m 7s
	1h 31m 35s

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