implement code scanning autofixes

.github/workflows/ci.yml

@@ -1,5 +1,7 @@
 ---
 name: CI
+permissions: 
+  contents: read
 
 on: # yamllint disable-line rule:truthy
   push:

.github/workflows/rename-project.yml

@@ -27,7 +27,7 @@ jobs:
           # by default, it uses a depth of 1
           # this fetches all history so that we can read each commit
           fetch-depth: 0
-          ref: ${{ github.head_ref }}
+          ref: ${{ github.ref }}
 
       - name: Check Repository is not a Template
         uses: actions/github-script@v8
@@ -109,7 +109,7 @@ jobs:
 
       - name: Create Pull Request
         if: env.is_template == 'false' && env.needs_renaming == 'true'
-        uses: peter-evans/create-pull-request@v7
+        uses: peter-evans/create-pull-request@4320041ed380b20e97d388d56a7fb4f9b8c20e79 # v7 sha
         with:
           token: ${{ secrets.GITHUB_TOKEN }}
           commit-message: Ready to clone and use template

.github/workflows/security-scan.yml

@@ -1,5 +1,7 @@
 ---
 name: Security Scan
+permissions: 
+  contents: read
 
 on: # yamllint disable-line rule:truthy
   push: