chore: bump org.jetbrains.kotlin:kotlin-stdlib-jdk7

Bumps [org.jetbrains.kotlin:kotlin-stdlib-jdk7](https://github.com/JetBrains/kotlin) in `/kits/adobemedia/adobemedia-3` from 2.1.20 to 2.4.20.


Updates `org.jetbrains.kotlin:kotlin-stdlib-jdk7` from 2.1.20 to 2.4.20
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/master/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.20...v2.4.20)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib-jdk7
  dependency-version: 2.4.20
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: gradle
...

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

Author: dependabot[bot]

kits/adobemedia/adobemedia-3/build.gradle

@@ -1,5 +1,5 @@
 buildscript {
-    ext.kotlin_version = '2.1.20'
+    ext.kotlin_version = '2.4.20'
     if (!project.hasProperty('version') || project.version.equals('unspecified')) {
         project.version = '+'
     }