Fix arm64 CI.

.github/workflows/build_test_publish_arm64.yml

@@ -41,13 +41,14 @@ jobs:
         ${{ matrix.python-version }} -m pip install -r dev_requirements.txt
 
     - name: Check cached dependencies
+      id: checkCached
       run: |
         exit $(ls /usr/local/lib/ | grep libgpg-error.a | wc -l)
         exit $(ls /usr/local/lib/ | grep libgcrypt.a | wc -l)
         exit $(ls /usr/local/lib/ | grep libpcap.a | wc -l)
 
     - name: Build Engine dependencies (non changing)
-      if: failure()
+      if: failure() && steps.checkCached.outcome == 'failure'
       run: |
         git clone --branch libgpg-error-1.42 https://github.com/gpg/libgpg-error
         cd libgpg-error