[build] attempt to explicitly read tag version (#554)

Author: dariuszkuc

.github/workflows/release.yml

@@ -11,9 +11,6 @@ jobs:
     steps:
       - uses: actions/checkout@v2
       - uses: gradle/wrapper-validation-action@v1
-      - name: Get the release version
-        id: tag
-        run: echo ::set-output name=VERSION::${GITHUB_REF#refs/tags/}
       - name: Set up Java 1.8
         uses: actions/setup-java@v1
         # dokka doesn't support Java 11
@@ -29,7 +26,10 @@ jobs:
       - name: Build library with Gradle
         run: ./gradlew clean build
       - name: Publish library with Gradle
-        run: ./gradlew publish -Pversion=${{ steps.tag.outputs.result }}
+        run: |
+          NEW_VERSION=$(echo "${GITHUB_REF}" | cut -d "/" -f3)
+          echo "New version: ${NEW_VERSION}"
+          ./gradlew publish -Pversion=${NEW_VERSION}
         env:
           SONATYPE_USERNAME: ${{ secrets.SONATYPE_USERNAME }}
           SONATYPE_PASSWORD: ${{ secrets.SONATYPE_PASSWORD }}