Bump commons-codec from 1.13 to 1.15 in /buildSrc (#2188)

Bumps [commons-codec](https://github.com/apache/commons-codec) from 1.13 to 1.15.
- [Release notes](https://github.com/apache/commons-codec/releases)
- [Changelog](https://github.com/apache/commons-codec/blob/rel/commons-codec-1.15/RELEASE-NOTES.txt)
- [Commits](https://github.com/apache/commons-codec/compare/commons-codec-1.13...rel/commons-codec-1.15)

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

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buildSrc/build.gradle

@@ -102,7 +102,7 @@ dependencies {
 
   api localGroovy()
 
-  api 'commons-codec:commons-codec:1.13'
+  api 'commons-codec:commons-codec:1.15'
   api 'org.apache.commons:commons-compress:1.21'
   api 'org.apache.ant:ant:1.10.12'
   api 'com.netflix.nebula:gradle-extra-configurations-plugin:3.0.3'