Refactor packaging pipeline

.github/workflows/bump.yaml

@@ -0,0 +1,47 @@
+name: Bump version
+
+on:
+  workflow_dispatch:
+    inputs:
+      bump:
+        description: "Version component to bump"
+        type: choice
+        options: [major, minor, patch, stable, alpha, beta, rc, post, dev]
+        default: patch
+
+permissions:
+  contents: write
+  pull-requests: write
+
+jobs:
+  bump:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v7
+
+      - name: Install uv
+        uses: astral-sh/setup-uv@11f9893b081a58869d3b5fccaea48c9e9e46f990 # v8.3.2
+
+      - name: Bump version
+        run: |
+          uv version --bump ${{ inputs.bump }}
+          echo "VERSION=$(uv version --short)" >> "$GITHUB_ENV"
+
+      - name: Open release PR
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          git config user.name  "github-actions[bot]"
+          git config user.email "41898282+github-actions[bot]@users.noreply.github.com"
+
+          BRANCH="release/v${VERSION}"
+          git switch -c "$BRANCH"
+          git commit -am "Release v${VERSION}"
+          git push --force-with-lease origin "$BRANCH"
+
+          gh pr create \
+            --base main \
+            --head "$BRANCH" \
+            --title "Release v${VERSION}" \
+            --body "Automated version bump to \`v${VERSION}\`."

src/dstrack/__init__.py

@@ -1,3 +1,8 @@
+from importlib.metadata import PackageNotFoundError, version
+
 from . import _logging as _logging
 
-__version__ = "0.1.0"
+try:
+    __version__ = version("dstrack")
+except PackageNotFoundError:
+    __version__ = "unknown"