Fix base64 decoding in GitHub Actions workflow

Updated base64 decoding commands to use the '-i' option for input.

Author: acffordyce973

.github/workflows/github-actions.yml

@@ -26,12 +26,10 @@ jobs:
         env:
           ENCODED_STRING: ${{ secrets.KEYSTORE_KEY_BASE64 }}
           SIGNING_KEY_STORE_PATH: ${{ secrets.KEYSTORE_KEY_PATH }}
-          TEST_STRING: ${{ secrets.TEST_SECRET }}
 
         run: |
-          echo $TEST_STRING
           echo $ENCODED_STRING > keystore-b64.txt
-          base64 -d keystore-b64.txt > $SIGNING_KEY_STORE_PATH
+          base64 -i -d keystore-b64.txt > $SIGNING_KEY_STORE_PATH
 
       - name: Decode Properties
         env:
@@ -40,7 +38,7 @@ jobs:
 
         run: |
           echo $ENCODED_STRING > properties-b64.txt
-          base64 -d properties-b64.txt > $SIGNING_PROPERTIES_STORE_PATH
+          base64 -i -d properties-b64.txt > $SIGNING_PROPERTIES_STORE_PATH
 
       - name: Build Release apk
         run: ./gradlew assembleRelease