Update plugin org.jetbrains.kotlin.plugin.serialization to v2.4.21

Reviewed-on: #15

.github/workflows/build.yml

@@ -93,11 +93,11 @@ jobs:
 
       - name: Upload to Google Play
         uses: r0adkll/upload-google-play@v1
-        if: startsWith(github.ref, 'refs/tags/')
+       # if: startsWith(github.ref, 'refs/tags/')
         with:
           serviceAccountJsonPlainText: ${{ secrets.SERVICE_ACCOUNT_JSON }}
           packageName: net.helcel.cowspent
           releaseFiles: app/build/outputs/bundle/signedRelease/app-signedRelease.aab
-          tracks: ${{ startsWith(github.ref, 'refs/tags/') && 'production' || 'alpha' }}
+          tracks: ${{ startsWith(github.ref, 'refs/tags/') && 'production' || 'internal' }}
           status: completed
           whatsNewDirectory: tmp/whatsnew

app/build.gradle

@@ -1,6 +1,6 @@
 plugins {
     id 'com.android.application' version '9.3.2'
-    id 'org.jetbrains.kotlin.plugin.serialization' version '2.4.10'
+    id 'org.jetbrains.kotlin.plugin.serialization' version '2.4.21'
     id 'org.jetbrains.kotlin.plugin.compose' version '2.4.20'
     id 'jacoco'
 }