chore: Update Github action package versions with SHA commit

Author: edx-requirements-bot

.github/workflows/validate.yml

@@ -11,29 +11,29 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v6
-    - uses: actions/setup-node@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
+    - uses: actions/setup-node@48b55a011bda9f5d6aeb4c2d9c7362e8dae4041e # v6.4.0
       with:
         node-version-file: '.nvmrc'
     - run: make validate.ci
     - name: Archive code coverage results
-      uses: actions/upload-artifact@v7
+      uses: actions/upload-artifact@043fb46d1a93c77aae656e7c1c64a875d1fc6a0a # v7.0.1
       with:
         name: code-coverage-report
         path: coverage/*.*
   coverage:
     runs-on: ubuntu-latest
     needs: tests
     steps:
-    - uses: actions/checkout@v6
+    - uses: actions/checkout@de0fac2e4500dabe0009e67214ff5f5447ce83dd # v6.0.2
     - name: Download code coverage results
-      uses: actions/download-artifact@v8
+      uses: actions/download-artifact@3e5f45b2cfb9172054b4087a40e8e0b5a5461e7c # v8.0.1
       with:
         pattern: code-coverage-report
         path: coverage
         merge-multiple: true
     - name: Upload coverage
-      uses: codecov/codecov-action@v6
+      uses: codecov/codecov-action@57e3a136b779b570ffcdbf80b3bdc90e7fab3de2 # v6.0.0
       with:
         fail_ci_if_error: true
         token: ${{ secrets.CODECOV_TOKEN }}