ci: Include SSH key for homebrew-tap

Author: cfunkhouser

.github/workflows/release.yaml

@@ -24,11 +24,17 @@ jobs:
             homebrew-tap
             restish
 
+      - name: Decode SSH Private Key
+        run: |
+          echo "${{ secrets.HOMEBREW_REPO_SSH_KEY }}" | base64 -d > /tmp/homebrew_repo_id_ed25519
+        shell: bash
+
       - name: Build using goreleaser-cross
         run: |
           docker run --rm \
             -e CGO_ENABLED=1 \
             -e GITHUB_TOKEN=${{ steps.releaser-token.outputs.token }} \
+            -v /tmp/homebrew_repo_id_ed25519:/tmp/homebrew_repo_id_ed25519:ro \
             -v $PWD:/workspace \
             -w /workspace \
             ghcr.io/goreleaser/goreleaser-cross:v1.25-v2.12.7 \

.goreleaser.yml

@@ -76,6 +76,9 @@ homebrew_casks:
       pull_request:
         enabled: true
         draft: true # TODO(cfunkhouser): Delete after testing.
+      git:
+        url: 'ssh://[email protected]:rest-sh/homebrew-tap.git'
+        private_key: /tmp/homebrew_repo_id_ed25519
 
 checksum:
   name_template: "checksums.txt"