Bump kotlin-reflect from 2.1.0-RC2 to 2.1.20-Beta1

Bumps `kotlin-reflect` from 2.1.0-RC2 to 2.1.20-Beta1.

Updates `org.jetbrains.kotlin:kotlin-reflect` from 2.1.0-RC2 to 2.1.20-Beta1
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.1.20-Beta1/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.0-RC2...v2.1.20-Beta1)

Updates `org.jetbrains.kotlin:kotlin-stdlib` from 2.1.0-RC2 to 2.1.20-Beta1
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.1.20-Beta1/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.0-RC2...v2.1.20-Beta1)

Updates `org.jetbrains.kotlin.android` from 2.1.0-RC2 to 2.1.20-Beta1
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.1.20-Beta1/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.1.0-RC2...v2.1.20-Beta1)

---
updated-dependencies:
- dependency-name: org.jetbrains.kotlin:kotlin-reflect
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin:kotlin-stdlib
  dependency-type: direct:production
  update-type: version-update:semver-patch
- dependency-name: org.jetbrains.kotlin.android
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

gradle/libs.versions.toml

@@ -24,7 +24,7 @@ gradle = "8.9.0-alpha03"
 gson = "2.11.0"
 insetter = "0.6.1"
 junit = "4.13.2"
-kotlin-reflect = "2.1.0-RC2"
+kotlin-reflect = "2.1.20-Beta1"
 ksp = "5.0.0-SNAPSHOT"
 kspPlugin = "2.1.0-RC2-1.0.28"
 legacy-support-v4 = "1.0.0"