ci: update codecov action (#110)

.codecov.yml

@@ -12,10 +12,11 @@ coverage:
 
   # https://docs.codecov.io/docs/commit-status
   status:
-    target: auto
-    threshold: 2
-    patch: no
-    changes: no
+    project:
+      default:
+        target: auto
+        base: auto
+        threshold: 2%
 
 parsers:
   gcov:

.github/workflows/test.yaml

@@ -25,9 +25,9 @@ jobs:
 
     - run: make testci
 
-    - uses: codecov/codecov-action@v1
+    - uses: codecov/codecov-action@v3
       with:
-        file: ./coverage.txt
+        files: ./coverage.txt
 
     - run: make image