ci: get versionName from app/build.gradle for release action

.github/workflows/release.yml

@@ -1,13 +1,10 @@
 name: Make Release
+
 on:
   workflow_dispatch:
-    inputs:
-      version:
-        description: "Release version (Example: 1.0.0, must match app/gradle.build 'versionName')"
-        required: true
-        default: '1.0.0'
 
 jobs:
+
   release-build:
     runs-on: ubuntu-latest
     steps:
@@ -17,6 +14,12 @@ jobs:
       with:
         submodules: 'recursive'
 
+    - name: Get versionName
+      run: echo "versionName=$(grep -oP 'versionName \"\K[^\"]+' ./app/build.gradle)" >> $GITHUB_ENV
+
+    - name: Validate Gradle wrapper
+      uses: gradle/wrapper-validation-action@v1
+
     - name: Load secrets
       run: |
         rm ./app/google-services.json
@@ -33,7 +36,7 @@ jobs:
       uses: actions/setup-java@v3
       with:
         java-version: '11'
-        distribution: 'temurin'
+        distribution: 'zulu'
         # Note: we don't use caches on release builds because we don't want to accidentally not have a virgin build machine
 
     - name: Find firmware release tag
@@ -75,9 +78,6 @@ jobs:
         rm -rf ./app/src/main/assets/firmware
         mkdir -p ./app/src/main/assets/firmware
 
-    - name: Validate Gradle wrapper
-      uses: gradle/wrapper-validation-action@v1
-
     - name: Build F-Droid release
       run: ./gradlew assembleFdroidRelease
 
@@ -104,8 +104,8 @@ jobs:
       with:
         draft: true
         prerelease: true
-        release_name: Meshtastic Android ${{ github.event.inputs.version}} alpha
+        release_name: Meshtastic Android ${{ env.versionName }} alpha
-        tag_name: ${{ github.event.inputs.version}}
+        tag_name: ${{ env.versionName }}
         body: |
           Autogenerated by github action, developer should edit as required before publishing...
       env:
@@ -118,7 +118,7 @@ jobs:
       with:
         upload_url: ${{ steps.create_release.outputs.upload_url }}
         asset_path: app/build/outputs/apk/fdroid/release/app-fdroid-release.apk
-        asset_name: fdroidRelease-${{ github.event.inputs.version}}.apk
+        asset_name: fdroidRelease-${{ env.versionName }}.apk
         asset_content_type: application/zip
 
     - name: Add Play Store AAB to release
@@ -128,7 +128,7 @@ jobs:
       with:
         upload_url: ${{ steps.create_release.outputs.upload_url }}
         asset_path: app/build/outputs/bundle/googleRelease/app-google-release.aab
-        asset_name: googleRelease-${{ github.event.inputs.version}}.aab
+        asset_name: googleRelease-${{ env.versionName }}.aab
         asset_content_type: application/zip
 
     - name: Add Play Store APK to release
@@ -138,7 +138,7 @@ jobs:
       with:
         upload_url: ${{ steps.create_release.outputs.upload_url }}
         asset_path: app/build/outputs/apk/google/release/app-google-release.apk
-        asset_name: googleRelease-${{ github.event.inputs.version}}.apk
+        asset_name: googleRelease-${{ env.versionName }}.apk
         asset_content_type: application/zip
 
 #    - name: Gradle publishBundle