fix github tag

Author: muzahidul-opti

.github/workflows/build.yml

@@ -37,4 +37,4 @@ jobs:
         MAVEN_SIGNING_PASSPHRASE: ${{ secrets.MAVEN_SIGNING_PASSPHRASE }}
         MAVEN_CENTRAL_USERNAME: ${{ secrets.MAVEN_CENTRAL_USERNAME }}
         MAVEN_CENTRAL_PASSWORD: ${{ secrets.MAVEN_CENTRAL_PASSWORD }}
-      run: ./gradlew ${{ inputs.action }}
+      run: GITHUB_TAG=${{ inputs.github_tag }} ./gradlew ${{ inputs.action }}

build.gradle

@@ -24,7 +24,7 @@ allprojects {
 allprojects {
     group = 'com.optimizely.ab'
 
-    def travis_defined_version = System.getenv('TRAVIS_TAG')
+    def travis_defined_version = System.getenv('GITHUB_TAG')
     if (travis_defined_version != null) {
         version = travis_defined_version
     }