build: upgrade codecov from v3 to v3, use secret (#692)

Per https://openedx.atlassian.net/wiki/spaces/COMM/pages/3438280709/Adding+Codecov

Author: kdmccormick

.github/workflows/ci.yml

@@ -39,4 +39,7 @@ jobs:
         run: npm run docs
 
       - name: Run Coverage
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
+        with:
+          fail_ci_if_error: true
+          token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/manual-publish.yml

@@ -27,7 +27,10 @@ jobs:
     - name: Test
       run: npm run test
     - name: Coverage
-      uses: codecov/codecov-action@v3
+      uses: codecov/codecov-action@v4
+      with:
+        fail_ci_if_error: false
+        token: ${{ secrets.CODECOV_TOKEN }}
     - name: Build
       run: npm run build
     # NPM expects to be authenticated for publishing. This step will fail CI if NPM is not authenticated