adds: release workflow

Author: Harald Krämer

.github/workflows/release.yml

@@ -0,0 +1,41 @@
+# Terraform Provider release workflow.
+name: Release
+
+# This GitHub action creates a release when a tag that matches the pattern
+# "v*" (e.g. v0.1.0) is created.
+on:
+  push:
+    tags:
+      - 'v*'
+
+# Releases need permissions to read and write the repository contents.
+# GitHub considers creating releases and uploading assets as writing contents.
+permissions:
+  contents: write
+
+jobs:
+  goreleaser:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@692973e3d937129bcbf40652eb9f2f61becf3332 # v4.1.7
+        with:
+          # Allow goreleaser to access older tag information.
+          fetch-depth: 0
+      - uses: actions/setup-go@0a12ed9d6a96ab950c8f026ed9f722fe0da7ef32 # v5.0.2
+        with:
+          go-version-file: 'go.mod'
+          cache: true
+      - 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@286f3b13b1b49da4ac219696163fb8c1c93e1200 # v6.0.0
+        with:
+          args: release --clean
+        env:
+          # GitHub sets the GITHUB_TOKEN secret automatically.
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          GPG_FINGERPRINT: ${{ steps.import_gpg.outputs.fingerprint }}