Bump org.openrewrite.maven:rewrite-maven-plugin from 6.18.0 to 6.20.0 (#1416)

Bumps [org.openrewrite.maven:rewrite-maven-plugin](https://github.com/openrewrite/rewrite-maven-plugin) from 6.18.0 to 6.20.0.
- [Release notes](https://github.com/openrewrite/rewrite-maven-plugin/releases)
- [Commits](openrewrite/rewrite-maven-plugin@v6.18.0...v6.20.0)

---
updated-dependencies:
- dependency-name: org.openrewrite.maven:rewrite-maven-plugin
  dependency-version: 6.20.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -723,7 +723,7 @@ SPDX-License-Identifier: MIT
             <plugin>
                 <groupId>org.openrewrite.maven</groupId>
                 <artifactId>rewrite-maven-plugin</artifactId>
-                <version>6.18.0</version>
+                <version>6.20.1</version>
                 <configuration>
                     <activeRecipes>
                         <recipe>org.openrewrite.java.migrate.UpgradeToJava17</recipe>