build: fix release workflow syntax

Author: crazyscot

.github/workflows/release.yml

@@ -58,7 +58,7 @@ jobs:
         leading-dir: true
         tar: unix
         zip: windows
-        dry_run: ! ${{ env.WORKFLOW_TEST }}
+        dry_run: (! ${{ env.WORKFLOW_TEST }})
     - name: Make deb package
       if: ${{ matrix.build_deb }}
       run: scripts/make-debian-package --release ${{ matrix.target }}
@@ -74,7 +74,7 @@ jobs:
         name: qcp-deb-${{ matrix.target }}
         path: target/**/debian/qcp*.deb
     - name: Publish deb package to release
-      if: ! ${{ env.WORKFLOW_TEST }}
+      if: (! ${{ env.WORKFLOW_TEST }})
       env:
         GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
       run: gh release upload ${{ github.ref }} ${{ env.BUILT_DEB_FILE }}