Add gpg signing to release GH action (#68)

Author: vandyliu

.github/workflows/release.yml

@@ -24,19 +24,17 @@ jobs:
         with:
           go-version-file: 'go.mod'
           cache: true
-# Comment out for now until we have a GPG key to use for public release
-#      - name: Import GPG key
-#        uses: crazy-max/ghaction-import-gpg@01dd5d3ca463c7f10f7f4f7b4f177225ac661ee4 # v6.1.0
-#        id: import_gpg
-#        with:
-#          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
-#          passphrase: ${{ secrets.PASSPHRASE }}
+      - name: Import GPG key
+        uses: crazy-max/ghaction-import-gpg@01dd5d3ca463c7f10f7f4f7b4f177225ac661ee4 # v6.1.0
+        id: import_gpg
+        with:
+          gpg_private_key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.PASSPHRASE }}
       - name: Run GoReleaser
         uses: goreleaser/goreleaser-action@5742e2a039330cbb23ebf35f046f814d4c6ff811 # v5.1.0
         with:
-          args: release --clean ${{ env.SIGNING_DISABLED == 'true' && '--skip sign' }}
+          args: release --clean
         env:
           # GitHub sets the GITHUB_TOKEN secret automatically.
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
           GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}
-          SIGNING_DISABLED: 'true'