build(deps): bump actions/cache from 5 to 6 #1158

Job	Run time
Run checkstyle	37s
Run integration test with Java 11 and Maven 4.0.0-rc-5	56s
Run integration test with Java 11 and Maven 3.9.9	3m 8s
Run integration test with Java 11 and Maven 4.0.0-alpha-13	1m 5s
Run integration test with Java 11 and Maven 4.0.0-beta-5	1m 3s
Run integration test with Java 11 and Maven 3.9.0	1m 34s
Run basic test with Java 12	47s
Run basic test with Java 11	47s
Run basic test with Java 15	52s
Run basic test with Java 14	46s
Run basic test with Java 17	47s
Run basic test with Java 16	55s
Run basic test with Java 13	52s
Run basic test with Java 18	46s
Run basic test with Java 20	45s
Run basic test with Java 25	52s
Run basic test with Java 26	47s
Run basic test with Java 21	49s
Run basic test with Java 24	52s
Run basic test with Java 19	43s
Run basic test with Java 23	43s
Run basic test with Java 22	44s
Run coveralls	0s
Deploy snapshot	-1s
	21m 9s

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