Simplify metrics and add documentation

.github/dependabot.yml

@@ -3,9 +3,12 @@ updates:
   - package-ecosystem: maven
     directory: /
     schedule:
-      interval: daily
-    allow:
-      - dependency-name: org.keycloak:keycloak-parent
+      interval: monthly
+      day: monday
+      # github parses time without quotes to int
+      # yamllint disable-line rule:quoted-strings
+      time: "09:00"
+      timezone: Europe/Berlin
   - package-ecosystem: github-actions
     directory: /
     schedule:

.github/workflows/ci.yaml

@@ -61,9 +61,9 @@ jobs:
           server-username: SERVER_USERNAME
           server-password: SERVER_PASSWORD
       - run: mvn -B -ntp dependency:go-offline
-      - run: mvn -B -ntp verify -Dcheckstyle.skip
+      - run: mvn -B -ntp verify -Dcheckstyle.skip -Dmaven.test.redirectTestOutputToFile=false
         if: ${{ github.ref != 'refs/heads/main' }}
-      - run: mvn -B -ntp deploy -Dcheckstyle.skip
+      - run: mvn -B -ntp deploy -Dcheckstyle.skip -Dmaven.test.redirectTestOutputToFile=false
         if: ${{ github.ref == 'refs/heads/main' }}
         env:
           SERVER_USERNAME: ${{ secrets.SONATYPE_NEXUS_USERNAME }}