Run codecov on PR and bump range

.codecov.yml

@@ -1,5 +1,5 @@
 coverage:
-  range: 50..80
+  range: 70..80
   round: down
   precision: 2
 

.github/workflows/check.yml

@@ -14,14 +14,4 @@ jobs:
       - name: Setup Gradle
         uses: gradle/gradle-build-action@v2
       - name: Run check with Gradle Wrapper
-        run: ./gradlew check
-
-  coverage:
-    runs-on: ubuntu-latest
-    steps:
-      - uses: actions/checkout@master
-      - uses: codecov/codecov-action@v3
-        with:
-          files: ./kover/coverage.xml
-          name: codecov-umbrella
-          verbose: true
+        run: ./gradlew check

.github/workflows/codecov.yml

@@ -0,0 +1,12 @@
+name: Codecov
+on: [ push, pull_request ]
+jobs:
+  run:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@master
+      - uses: codecov/codecov-action@v3
+        with:
+          files: ./kover/coverage.xml
+          name: codecov-umbrella
+          verbose: true