chore: remove deprecated dependency of codecov (#906)

Author: rauno56

package.json

@@ -13,7 +13,6 @@
     "clean": "tsc --build --clean tsconfig.json tsconfig.esm.json",
     "test": "nyc ts-mocha -p tsconfig.json test/**/*.test.ts",
     "test:browser": "nyc karma start --single-run",
-    "codecov": "nyc report --reporter=json && codecov -f coverage/*.json -p ../../",
     "lint": "eslint . --ext .ts",
     "lint:fix": "eslint . --ext .ts --fix",
     "version": "node ../../scripts/version-update.js",
@@ -54,7 +53,6 @@
     "@types/mocha": "8.2.3",
     "@types/node": "16.11.21",
     "@types/webpack-env": "1.16.2",
-    "codecov": "3.8.3",
     "colors": "1.4.0",
     "gts": "3.1.0",
     "istanbul-instrumenter-loader": "3.0.1",