Add automated release workflow with release-plz

.github/workflows/release.yml

@@ -0,0 +1,46 @@
+name: Release
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  release-plz-pr:
+    name: Release PR
+    runs-on: ubuntu-latest
+    if: ${{ github.repository_owner == 'Rightbracket' }}
+    permissions:
+      contents: write
+      pull-requests: write
+    concurrency:
+      group: release-plz-${{ github.ref }}
+      cancel-in-progress: false
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: release-plz/action@v0.5
+        with:
+          command: release-pr
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+
+  release-plz-release:
+    name: Release
+    runs-on: ubuntu-latest
+    if: ${{ github.repository_owner == 'Rightbracket' }}
+    permissions:
+      contents: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: dtolnay/rust-toolchain@stable
+      - uses: release-plz/action@v0.5
+        with:
+          command: release
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}

release-plz.toml

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+[workspace]
+release_always = false
+semver_check = true
+git_release_enable = true
+git_tag_enable = true
+changelog_update = true
+pr_labels = ["release"]
+
+[[package]]
+name = "libudx"
+version_group = "peeroxide"
+
+[[package]]
+name = "peeroxide-dht"
+version_group = "peeroxide"
+
+[[package]]
+name = "peeroxide"
+version_group = "peeroxide"