Bump reload4j from 1.2.20 to 1.2.21

Bumps [reload4j](https://github.com/qos-ch/reload4j) from 1.2.20 to 1.2.21.
- [Release notes](https://github.com/qos-ch/reload4j/releases)
- [Commits](qos-ch/reload4j@v_1.2.20...v_1.2.21)

---
updated-dependencies:
- dependency-name: ch.qos.reload4j:reload4j
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

pom.xml

@@ -166,7 +166,7 @@
     <dependency>
       <groupId>ch.qos.reload4j</groupId>
       <artifactId>reload4j</artifactId>
-      <version>1.2.20</version>
+      <version>1.2.21</version>
       <optional>true</optional>
     </dependency>
     <dependency>