Upgrade JDKs used by GitHub Actions builds (#1043)

Summary of changes:
- Use JDK 17.0.10 instead of 17.0.8.
- Use JDK 21.0.2 instead of 21.0.0.
- Have GitHub issue template reference more recent version numbers.

See:
- https://adoptium.net/temurin/release-notes/?version=jdk-17.0.9+9
- https://adoptium.net/temurin/release-notes/?version=jdk-17.0.10+7
- https://adoptium.net/temurin/release-notes/?version=jdk-21.0.1+12
- https://adoptium.net/temurin/release-notes/?version=jdk-21.0.2+13

.github/workflows/run-integration-tests.yml

@@ -22,7 +22,7 @@ jobs:
         uses: s4u/setup-maven-action@6d44c18d67d9e1549907b8815efa5e4dada1801b # v1.12.0
         with:
           checkout-ref: "refs/pull/${{ github.event.issue.number }}/head"
-          java-version: 17.0.8
+          java-version: 17.0.10
           java-distribution: temurin
           maven-version: 3.9.6
       - name: Install project to local Maven repository