Add release-plz instead of custom variant (#20)

Switches to [release-plz](https://release-plz.ieni.dev/) instead of a
custom blend of actions for better release automation.

Author: akrantz01

.github/workflows/publish.yml

@@ -3,27 +3,32 @@ name: Publish
 
 on:  # yamllint disable-line rule:truthy
   push:
-    tags:
-      - "v*.*.*"
+    branches:
+      - main
 
 jobs:
-  shipyard:
-    name: Shipyard
-    runs-on: ubuntu-22.04
+  release-plz:
+    name: Release Plz
+    runs-on: ubuntu-latest
     steps:
+      - uses: actions/create-github-app-token@v1
+        id: generate-token
+        with:
+          app-id: ${{ secrets.RELEASE_PLZ_APP_ID }}
+          private-key: ${{ secrets.RELEASE_PLZ_PRIVATE_KEY }}
+
       - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ steps.generate-token.outputs.token }}
       - uses: TheHackerApp/setup-rust@main
         with:
           ssh-private-key: ${{ secrets.SHIPYARD_SSH_KEY }}
           token: ${{ secrets.SHIPYARD_TOKEN }}
 
-      - run: cargo publish
-
-  release:
-    name: Release
-    runs-on: ubuntu-22.04
-    steps:
-      - uses: actions/checkout@v4
-      - uses: softprops/action-gh-release@v2
+      - uses: MarcoIeni/[email protected]
         with:
-          generate_release_notes: true
+          registry: wafflehacks
+        env:
+          CARGO_REGISTRY_TOKEN: ${{ secrets.SHIPYARD_TOKEN }}
+          GITHUB_TOKEN: ${{ steps.generate-token.outputs.token }}

release-plz.toml

@@ -0,0 +1,13 @@
+[workspace]
+allow_dirty = false
+changelog_update = false
+git_release_enable = true
+git_release_draft = false
+git_tag_enable = true
+pr_draft = false
+pr_labels = ["release"]
+publish = true
+semver_check = true
+
+[[package]]
+name = "migrator"