Fix utils coverage, small code smell fix, snapshot start

• Start 1.1.7 snapshot release

• Fix coverage for utils package, do some small fixes to reduce code smell

caching/src/test/java/org/eclipsefoundation/caching/test/precache/SampleNamedPrecacheProvider.java

@@ -13,7 +13,6 @@ package org.eclipsefoundation.caching.test.precache;
 
 import java.util.Arrays;
 import java.util.List;
-import java.util.stream.Collectors;
 
 import org.eclipse.microprofile.config.inject.ConfigProperty;
 import org.eclipsefoundation.caching.model.ParameterizedCacheKey;