Fix YAML syntax errors in license-check workflow

- Use separate -m flags for multi-line git commit message
- Add proper indentation to template literal content to fix YAML parsing

Co-authored-by: SamMorrowDrums <[email protected]>

Author: Copilot

.github/workflows/license-check.yml

@@ -57,9 +57,7 @@ jobs:
           git config user.name "github-actions[bot]"
           git config user.email "github-actions[bot]@users.noreply.github.com"
           git add third-party-licenses.*.md third-party/
-          git commit -m "chore: regenerate license files
-
-Auto-generated by license-check workflow"
+          git commit -m "chore: regenerate license files" -m "Auto-generated by license-check workflow"
           git push
 
       - name: Check if already commented
@@ -91,18 +89,18 @@ Auto-generated by license-check workflow"
               repo: context.repo.repo,
               issue_number: context.issue.number,
               body: `## ⚠️ License files need updating
-
-The license files are out of date. I tried to fix them automatically but don't have permission to push to this branch.
-
-**Please run:**
-\`\`\`bash
-script/licenses
-git add third-party-licenses.*.md third-party/
-git commit -m "chore: regenerate license files"
-git push
-\`\`\`
-
-Alternatively, enable "Allow edits by maintainers" in the PR settings so I can fix it automatically.`
+            
+            The license files are out of date. I tried to fix them automatically but don't have permission to push to this branch.
+            
+            **Please run:**
+            \`\`\`bash
+            script/licenses
+            git add third-party-licenses.*.md third-party/
+            git commit -m "chore: regenerate license files"
+            git push
+            \`\`\`
+            
+            Alternatively, enable "Allow edits by maintainers" in the PR settings so I can fix it automatically.`
             });
 
       - name: Fail check if changes needed