update codecov too @v4

Author: ablaom

.github/codecov.yml

@@ -2,4 +2,8 @@ coverage:
   status:
     project:
       default:
-        threshold: 0.5%
+        threshold: 0.5%
+        removed_code_behavior: fully_covered_patch
+    patch:
+      default:
+        target: 80

.github/workflows/ci.yml

@@ -43,6 +43,8 @@ jobs:
       - uses: julia-actions/julia-buildpkg@v1
       - uses: julia-actions/julia-runtest@v1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
-          file: lcov.info
+          token: ${{ secrets.CODECOV_TOKEN }}
+          fail_ci_if_error: false
+          verbose: true