Switch make-default in preparation for Spring Boot 4.0.0

Closes gh-48203

Author: wilkinsona

.github/workflows/release.yml

@@ -126,7 +126,7 @@ jobs:
       - name: Publish to SDKMAN!
         uses: ./.github/actions/publish-to-sdkman
         with:
-          make-default: true
+          make-default: false
           sdkman-consumer-key: ${{ secrets.SDKMAN_CONSUMER_KEY }}
           sdkman-consumer-token: ${{ secrets.SDKMAN_CONSUMER_TOKEN }}
           spring-boot-version: ${{ needs.build-and-stage-release.outputs.version }}