Fix accidentaly removed snapshot versions in tests

I accidentally changed a snapshot version to a nonsnapshot one in [1] and [2]. That needs to be reverted.

[1] https://github.com/kiegroup/drools/blob/4dd107998687c40992391cb32eb5cd8866646744/drools-test-coverage/test-compiler-integration/src/test/java/org/drools/compiler/integrationtests/incrementalcompilation/IncrementalCompilationTest.java#L709
[2] https://github.com/kiegroup/drools/blob/26f0349669b6332583fe6b003628e400dab471d3/drools-test-coverage/test-suite/src/test/java/org/drools/testcoverage/functional/KieRepositoryTest.java#L39