ci: set working directory for goveralls action

Author: pandatix

.github/workflows/integration.yaml

@@ -122,7 +122,6 @@ jobs:
 
       - name: Download results
         run: |
-          cd webserver
           mkdir covs
           curl "${{ steps.server.outputs.server }}:${{ steps.env.outputs.port }}/api/v1/coverout" |
             jq -r '.merged' |
@@ -133,8 +132,10 @@ jobs:
           sed -i 's|^/go/src|github.com/ctfer-io/romeo/webserver|' cov.out
           sed -i 's|^github.com/ctfer-io/romeo/||' cov.out
           cat cov.out
+        working-directory: webserver
 
       - name: Upload coverage to Coveralls
         uses: shogo82148/actions-goveralls@e6875f831db61e6abffbd8df91a2eb6cd24b46c9 # v1.9.1
         with:
-          path-to-profile: 'webserver/cov.out'
+          path-to-profile: 'cov.out'
+          working-directory: 'webserver'