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

.github/workflows/DNS.yml

@@ -270,7 +270,7 @@ jobs:
     - uses: actions/checkout@v2
     - name: Clone acmetest
       run: cd .. && git clone https://github.com/acmesh-official/acmetest.git  && cp -r acme.sh acmetest/
-    - uses: vmactions/openbsd-vm@v0.0.6
+    - uses: vmactions/openbsd-vm@v0.0.7
       with:
         envs: 'TEST_DNS TestingDomain TEST_DNS_NO_WILDCARD TEST_DNS_NO_SUBDOMAIN TEST_DNS_SLEEP CASE TEST_LOCAL DEBUG ${{ secrets.TokenName1}} ${{ secrets.TokenName2}} ${{ secrets.TokenName3}} ${{ secrets.TokenName4}} ${{ secrets.TokenName5}}'
         prepare: pkg_add socat curl

.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@v0.0.6
+    - uses: vmactions/openbsd-vm@v0.0.7
       with:
         envs: 'TEST_LOCAL TestingDomain TEST_ACME_Server CA_ECDSA CA CA_EMAIL TEST_PREFERRED_CHAIN'
         nat: |