fix(ci): fetch all necessary commits for commitsar and release notary

.github/workflows/pr.yml

@@ -7,5 +7,7 @@ jobs:
     name: Verify commit messages
     steps:
       - uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
       - name: Run commitsar
         uses: docker://aevea/commitsar@sha256:b77adebc0437d4f2bfdf9205a39003e88acbc77a9176fd086b386207a5f3f5cb

.github/workflows/release.yml

@@ -11,6 +11,8 @@ jobs:
     steps:
       - name: Check out code
         uses: actions/checkout@v2
+        with:
+          fetch-depth: 0
 
       - name: Release Notary Action
         uses: docker://aevea/release-notary@sha256:8b26ced466da96b23a947d5c9e58baac22ee1192fd08200011e5b178f42118a0