Lower matrix

Author: cstamas

.github/workflows/ci.yml

@@ -11,5 +11,6 @@ jobs:
     name: Verify
     uses: maveniverse/parent/.github/workflows/ci.yml@release-26
     with:
+      maven-matrix: '[ "3.9.9" ]' # the IT does matrix mvn3 + mvn4; for running 3.9.9 is enough
       maven-test: './mvnw clean verify -e -B -V -P run-its -f it'