Bump commons-codec:commons-codec from 1.20.0 to 1.21.0

Bumps [commons-codec:commons-codec](https://github.com/apache/commons-codec) from 1.20.0 to 1.21.0.
- [Changelog](https://github.com/apache/commons-codec/blob/master/RELEASE-NOTES.txt)
- [Commits](apache/commons-codec@rel/commons-codec-1.20.0...rel/commons-codec-1.21.0)

---
updated-dependencies:
- dependency-name: commons-codec:commons-codec
  dependency-version: 1.21.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

exist-parent/pom.xml

@@ -234,7 +234,7 @@
             <dependency>
                 <groupId>commons-codec</groupId>
                 <artifactId>commons-codec</artifactId>
-                <version>1.20.0</version>
+                <version>1.21.0</version>
             </dependency>
 
             <dependency>