Bump org.openrewrite.maven:rewrite-maven-plugin in /pgp-keys-map-test1

Bumps [org.openrewrite.maven:rewrite-maven-plugin](https://github.com/openrewrite/rewrite-maven-plugin) from 6.20.1 to 6.21.1.
- [Release notes](https://github.com/openrewrite/rewrite-maven-plugin/releases)
- [Commits](openrewrite/rewrite-maven-plugin@v6.20.1...v6.21.1)

---
updated-dependencies:
- dependency-name: org.openrewrite.maven:rewrite-maven-plugin
  dependency-version: 6.21.1
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

pgp-keys-map-test1/pom.xml

@@ -1065,7 +1065,7 @@
         <dependency>
             <groupId>org.openrewrite.maven</groupId>
             <artifactId>rewrite-maven-plugin</artifactId>
-            <version>[6.20.1]</version>
+            <version>[6.21.1]</version>
         </dependency>
         <dependency>
             <groupId>org.osgi</groupId>