chore(actions): address zizmor findings #4494

Job	Run time
filter	1m 12s
sdk-platform-java units (8)	4m 1s
dependencies	3m 20s
clirr	3m 15s
unmanaged_dependency_check	14m 37s
sdk-platform-java self-service clients (11)	9m 13s
sdk-platform-java self-service clients (17)	9m 45s
sdk-platform-java integration (17)	10m 24s
sdk-platform-java integration (21)	10m 3s
sdk-platform-java integration (JDK 24+) (26)	10m 8s
sdk-platform-java units (11)	4m 30s
sdk-platform-java units (17)	4m 17s
sdk-platform-java units (21)	3m 57s
java8-compatibility	4m 49s
gapic-generator-java-bom	2m 47s
gapic-generator-java (8)	11m 22s
dependency_analyzer_unit_test	1m 49s
sdk-platform-java integration (11)	10m 24s
sdk-platform-java integration (JDK 24+) (25)	9m 46s
sdk-platform-java units (25)	3m 52s
sdk-platform-java units (26)	3m 55s
	2h 17m 26s

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