CI/CD: fix single quote to be included in job output

.github/workflows/status-checks.yml

@@ -190,7 +190,7 @@ jobs:
       - name: Dynamically generate matrix for running integration tests
         id: set-matrix
         # This oneliner gets every test zip generated by Fastlane and writes this as output to GitHub. This is used for the matrix in the integration-test-ios job below.
-        run: echo "matrix='$(for file in $(ls ./fastlane/build/*.zip); do basename "$file"; done | jq -R . | jq -sc .)'" >> $GITHUB_OUTPUT
+        run: echo "matrix=$(for file in $(ls ./fastlane/build/*.zip); do basename "$file"; done | jq -R . | jq -sc .)" >> $GITHUB_OUTPUT
   build-integration-test-android:
     runs-on: ubuntu-latest
     needs: build-irmagobridge-android