Add Homebrew tap publishing for prb CLI

Configure GoReleaser to publish the prb CLI to the getprobo/homebrew-tap repository on each release. Separate the prb archive from the main probod archive and add the necessary GitHub token to the release workflow.

Signed-off-by: Bryan Frimin <bryan@getprobo.com>

.github/workflows/release.yaml

@@ -76,6 +76,7 @@ jobs:
           args: release --clean
         env:
           GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+          HOMEBREW_TAP_GITHUB_TOKEN: ${{ secrets.HOMEBREW_TAP_GITHUB_TOKEN }}
 
       - name: Scan Docker image with Trivy
         uses: aquasecurity/trivy-action@b6643a29fecd7f34b3597bc6acb0a98b03d33ff8 # 0.33.1

.goreleaser.yaml

@@ -119,7 +119,8 @@ builds:
       - arm64
 
 archives:
-  - builds:
+  - id: probod
+    builds:
       - probod
       - probod-bootstrap
       - prb
@@ -134,6 +135,34 @@ archives:
       - README.md
       - LICENSE
       - CHANGELOG.md
+  - id: prb
+    builds:
+      - prb
+    name_template: >-
+      prb_
+      {{- title .Os }}_
+      {{- if eq .Arch "amd64" }}x86_64
+      {{- else if eq .Arch "386" }}i386
+      {{- else }}{{ .Arch }}{{ end }}
+      {{- if .Arm }}v{{ .Arm }}{{ end }}
+    files:
+      - README.md
+      - LICENSE
+      - CHANGELOG.md
+
+brews:
+  - ids:
+      - prb
+    repository:
+      owner: getprobo
+      name: homebrew-tap
+      token: "{{ .Env.HOMEBREW_TAP_GITHUB_TOKEN }}"
+    commit_author:
+      name: probo-bot
+      email: bot@getprobo.com
+    homepage: "https://github.com/getprobo/probo"
+    description: "CLI for the Probo compliance management platform"
+    license: "ISC"
 
 checksum:
   name_template: "checksums.txt"