ci: Fix missing arg in android integrationt tests job

Author: madadam

.github/workflows/ci.yml

@@ -311,6 +311,7 @@ jobs:
         run: |
           ./docker/linux.sh \
             --container ouisync-integration-test-android-${{ matrix.api-level }}-$GITHUB_RUN_ID \
+            --srcdir . \
             integration-test --platform android --api ${{ matrix.api-level }}
 
       # - name: Upload logcat