Migrate to Bazel 9.1.1 #33

Job	Run time
Build scip-java CLI	5m 1s
gradle-kotlin-flowext	2m 32s
maven-kotlin-json-kotlin-maven	2m 57s
gradle-kotlin-okio	4m 19s
gradle-mixed-okio-jmh	4m 32s
maven-java17-spring-boot	2m 53s
gradle-java21-readiness	1m 37s
bazel-java-examples	1m 33s
	25m 24s

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