Fix compliance conflicts and show them on the body

.github/workflows/Compliance.yml.jinja

@@ -15,20 +15,33 @@ jobs:
       - uses: julia-actions/setup-julia@v1
         with:
           version: "1"
+      - name: Use Julia cache
+        uses: julia-actions/cache@v1
+      - name: Install JuliaFormatter.jl
+        run: julia -e 'using Pkg; pkg"add JuliaFormatter"'
       - name: Setup Python
         uses: actions/setup-python@v4
       - name: Check for update in the template
         run: |
-          pip install copier pre-commit
-          copier update -A
-          pre-commit run -a
+          pip install copier
+          copier update -A -o rej
+          echo -e "Automated changed by Compliance.yml workflow\n" > /tmp/body.md
+          echo -e 'Rejected changes (if any):\n```diff\n' >> /tmp/body.md
+          find . -name "*.rej" | xargs cat >> /tmp/body.md
+          echo -e '```' >> /tmp/body.md
+          git diff
+      - name: Run pre-commit to run the formatters
+        run: |
+          pip install pre-commit
+          pre-commit run -a || true # Ignore pre-commit errors
       - name: Create Pull Request
         id: cpr
-        uses: peter-evans/create-pull-request@v3
+        uses: peter-evans/create-pull-request@v5
         with:
           token: ${{ secrets.COMPLIANCE_PAT }}
           commit-message: ":robot: COPIERTemplate.jl update"
           title: "[AUTO] COPIERTemplate.jl update"
+          body-path: /tmp/body.md
           branch: auto-copier-template-update
           delete-branch: true
           labels: configuration, automated pr, no changelog

.gitignore

@@ -3,3 +3,4 @@
 *.jl.mem
 Manifest.toml
 docs/build/
+*.rej