revert: github action steps splitting reverted

.github/workflows/lint-and-test.yaml

@@ -78,6 +78,9 @@ jobs:
 
   update-readme-metadata:
     runs-on: ubuntu-latest
+    permissions:
+      contents: write
+    needs: lint-and-test
     steps:
       - name: Install readme-generator-for-helm
         run: npm install -g @bitnami/readme-generator-for-helm
@@ -92,27 +95,6 @@ jobs:
           echo "Updating README.md for mailu chart"
           readme-generator --values "charts/mailu/values.yaml" --readme "charts/mailu/README.md" --schema "/tmp/schema.json"
 
-      - uses: actions/cache@v4
-        with:
-          key: README.md
-          path: charts/mailu/README.md
-
-  push-readme-changes:
-    runs-on: ubuntu-latest
-    permissions:
-      contents: write
-    needs: [lint-and-test,update-readme-metadata]
-    steps:
-      - name: Checkout mailu/helm-charts
-        uses: actions/checkout@v3
-        with:
-          fetch-depth: 0
-
-      - uses: actions/cache/restore@v4
-        with:
-          key: README.md
-          path: charts/mailu/README.md
-
       - name: Push changes
         run: |
           # Push all the changes

.github/workflows/trivy.yaml

@@ -19,6 +19,9 @@ on:
   # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch: {}
 
+permissions:
+  security-events: write
+
 jobs:
   trivy-scan:
     runs-on: ubuntu-latest
@@ -51,22 +54,6 @@ jobs:
           scan-ref: '.'
           trivy-config: '.trivy.yaml'
 
-      - uses: actions/cache@v4
-        with:
-          key: trivy-results
-          path: trivy-results.sarif
-
-  trivy-publish:
-    runs-on: ubuntu-latest
-    permissions:
-      security-events: write
-    needs: trivy-scan
-    steps:
-      - uses: actions/cache/restore@v4
-        with:
-          key: trivy-results
-          path: trivy-results.sarif
-
       - name: Upload Trivy scan results to GitHub Security tab
         uses: github/codeql-action/upload-sarif@v3
         with: