upgrade OpenBSD https://github.com/vmactions/openbsd-vm

.github/workflows/OpenBSD.yml

@@ -49,7 +49,7 @@ jobs:
       run: echo "TestingDomain=${{steps.tunnel.outputs.server}}" >> $GITHUB_ENV
     - name: Clone acmetest
       run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
-    - uses: vmactions/openbsd-vm@v0.0.1
+    - uses: vmactions/openbsd-vm@v0.0.4
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN'
         nat: |