Use Codecov token in CI (#203)

* Use Codecov token in CI

* Use codecov token in downstream.yml

Author: jishnub

Diff for: .github/workflows/ci.yml

@@ -66,6 +66,7 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v4
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
           file: lcov.info
   docs:
     name: Documentation

Diff for: .github/workflows/downstream.yml

@@ -68,4 +68,5 @@ jobs:
       - uses: julia-actions/julia-processcoverage@v1
       - uses: codecov/codecov-action@v4
         with:
+          token: ${{ secrets.CODECOV_TOKEN }}
           files: lcov.info