ci: adopt python-semantic-release, fix hardcoded version strings

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

.github/workflows/release.yml

@@ -0,0 +1,27 @@
+name: Release
+
+on:
+  push:
+    branches: [main]
+
+jobs:
+  release:
+    runs-on: ubuntu-latest
+    if: github.repository == 'JustinZeus/scholarr'
+    permissions:
+      contents: write
+      id-token: write
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+          token: ${{ secrets.GITHUB_TOKEN }}
+      - uses: actions/setup-python@v5
+        with:
+          python-version: "3.12"
+      - run: pip install python-semantic-release
+      - name: Semantic Release
+        id: release
+        run: semantic-release publish
+        env:
+          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}