Use uv in the workflow

Author: irm-codebase

.github/workflows/template-check-version.yml

@@ -20,30 +20,16 @@ jobs:
     steps:
       - uses: actions/checkout@v4
 
+      - name: Install uv
+        uses: astral-sh/setup-uv@v5
+
       - name: Add dummy GitHub credentials
         run: |
           git config --global user.name Copier update
           git config --global user.email check@dummy.bot.com
 
-      - name: Setup pixi
-        uses: prefix-dev/setup-pixi@v0.8.8
-        with:
-          cache: true
-          pixi-bin-path: ${{ runner.temp }}/bin/pixi
-          pixi-version: v0.44.0
-          run-install: true
-          post-cleanup: true
-          activate-environment: true
-
-      # Stash hides modifications to pixi.lock / pixi.toml caused by adding copier
-      - name: Setup copier
-        run: |
-          pixi add copier
-          git stash
-          git stash clear
-
       - name: Run copier update
-        run: copier update --skip-answered --defaults
+        run: uvx copier update --skip-answered --defaults
 
       - name: Wait a bit for copier cleanups
         run: sleep 10s