build: fix issues with yarn version and ts configuration

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

package.json

@@ -15,9 +15,13 @@
     "@oclif/plugin-command-snapshot": "^5.0.2",
     "@salesforce/cli-plugins-testkit": "^5.1.7",
     "@salesforce/dev-scripts": "^8.3.0",
+    "@types/mocha": "^10",
     "eslint-plugin-sf-plugin": "^1.17.2",
     "husky": "^9.1.4",
+    "mocha": "^10.7.3",
+    "nyc": "^17.0.0",
     "oclif": "^4.3.4",
+    "pretty-quick": "^4.0.0",
     "shx": "0.3.4",
     "ts-node": "^10.9.2",
     "typescript": "^5.3.3"
@@ -199,5 +203,6 @@
   },
   "bugs": {
     "url": "https://github.com/mcarvin8/apex-code-coverage-transformer/issues"
-  }
+  },
+  "packageManager": "yarn@4.4.1"
 }

tsconfig.json

@@ -2,6 +2,7 @@
   "extends": "@salesforce/dev-config/tsconfig-strict-esm",
   "compilerOptions": {
     "outDir": "lib",
+    "module": "Node16",
     "rootDir": "src"
   },
   "include": ["./src/**/*.ts"],