Bump org.jetbrains.kotlin:kotlin-reflect from 2.0.20 to 2.0.21 (#2870)

Bumps [org.jetbrains.kotlin:kotlin-reflect](https://github.com/JetBrains/kotlin) from 2.0.20 to 2.0.21.
- [Release notes](https://github.com/JetBrains/kotlin/releases)
- [Changelog](https://github.com/JetBrains/kotlin/blob/v2.0.21/ChangeLog.md)
- [Commits](JetBrains/kotlin@v2.0.20...v2.0.21)

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

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

FlowCrypt/build.gradle.kts

@@ -406,7 +406,7 @@ dependencies {
   testImplementation("com.shazam:shazamcrest:0.11")
   testImplementation("org.robolectric:robolectric:4.12.2")
   //we need it to test Parcelable implementation
-  testImplementation("org.jetbrains.kotlin:kotlin-reflect:2.0.20")
+  testImplementation("org.jetbrains.kotlin:kotlin-reflect:2.0.21")
   testImplementation("junit:junit:4.13.2")
   testImplementation("androidx.room:room-testing:2.6.1")
   testImplementation("io.github.classgraph:classgraph:4.8.176")