Updated release workflow

.github/workflows/.release.yml

@@ -1,28 +1,40 @@
 name: release
 
 on:
-  pull_request:
   push:
+    tags:
+      - 'v*'
 
 jobs:
   goreleaser:
     runs-on: ubuntu-latest
     steps:
       -
         name: Checkout
-        uses: actions/checkout@v2
+        uses: actions/checkout@v2.3.4
         with:
           fetch-depth: 0
+
       -
         name: Set up Go
-        uses: actions/setup-go@v2
+        uses: actions/setup-go@v2.1.3
         with:
           go-version: 1.15
+
+      -
+        name: Import GPG key
+        id: import_gpg
+        uses: paultyng/ghaction-import-gpg@v2.1.0
+        with:
+          gpg-private-key: ${{ secrets.GPG_PRIVATE_KEY }}
+          passphrase: ${{ secrets.PASSPHRASE }}
+
       -
         name: Run GoReleaser
         uses: goreleaser/goreleaser-action@v2
         with:
           version: latest
           args: release --rm-dist
         env:
-          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}