Setup dependabot (#1796)

Author: greg0ire

.github/dependabot.yml

@@ -0,0 +1,8 @@
+version: 2
+updates:
+  - package-ecosystem: "github-actions"
+    directory: "/"
+    schedule:
+      interval: "weekly"
+    labels:
+      - "CI"

.github/workflows/continuous-integration.yml

@@ -126,6 +126,8 @@ jobs:
           path: "reports"
 
       - name: "Upload to Codecov"
-        uses: "codecov/codecov-action@v3"
+        uses: "codecov/codecov-action@v4"
         with:
           directory: reports
+        env:
+          CODECOV_TOKEN: "${{ secrets.CODECOV_TOKEN }}"