Potential fix for code scanning alert no. 55: Workflow does not contain permissions

Co-authored-by: Copilot Autofix powered by AI <62310815+github-advanced-security[bot]@users.noreply.github.com>

Author: JamesIves

.github/workflows/integration.yml

@@ -1,4 +1,6 @@
 name: Integration Tests 🧪
+permissions:
+  contents: read
 on:
   workflow_call:
   workflow_dispatch:
@@ -277,6 +279,8 @@ jobs:
   # First conflicting deployment
   integration-rebase-conflicts-1:
     needs: integration-branch-creation
+    permissions:
+      contents: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -299,6 +303,8 @@ jobs:
   # Second conflicting deployment
   integration-rebase-conflicts-2:
     needs: integration-rebase-conflicts-1
+    permissions:
+      contents: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -321,6 +327,8 @@ jobs:
   # Clean up conflicting deployments
   integration-rebase-conflicts-cleanup:
     needs: [integration-rebase-conflicts-1, integration-rebase-conflicts-2]
+    permissions:
+      contents: write
     runs-on: ubuntu-latest
     steps:
       - name: Cleanup Generated Branch
@@ -333,6 +341,8 @@ jobs:
 
   integration-root-folder:
     needs: integration-rebase-conflicts-cleanup
+    permissions:
+      contents: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -363,6 +373,8 @@ jobs:
   # Deploys using Git LFS support for large files.
   integration-lfs:
     needs: integration-root-folder
+    permissions:
+      contents: write
     runs-on: ubuntu-latest
     steps:
       - name: Checkout