Generate recipes for Spring RCs already, for easier integration

.github/workflows/properties.yml

@@ -34,7 +34,7 @@ jobs:
           branch: migrations/${{ env.NOW }}
           title: "[Auto] Spring Boot property migration recipes as of ${{ env.NOW }}"
           body: |
-            [Auto] Old GroupId migrations as of ${{ env.NOW }}.
+            [Auto] Spring Boot property migration recipes as of ${{ env.NOW }}.
           commit-message: "[Auto] Spring Boot property migration recipes as of ${{ env.NOW }}"
           labels: enhancement
       - name: Check outputs

src/test/java/org/openrewrite/java/spring/internal/GeneratePropertiesMigratorConfiguration.java

@@ -40,7 +40,7 @@
 
 class GeneratePropertiesMigratorConfiguration {
     public static void main(String[] args) throws IOException {
-        var springBootReleases = new SpringBootReleases(false); // `true` for release candidates
+        var springBootReleases = new SpringBootReleases(true); // `true` for release candidates
 
         var objectMapper = new ObjectMapper()
           .disable(DeserializationFeature.FAIL_ON_UNKNOWN_PROPERTIES);