fix: use lerna typings provided by DefinitelyTyped project (googleapis#1351)

* chore: remove unused typings

* chore(deps-dev): add @types/lerna* typings

* fix: rename changed import

Author: donmahallem

package.json

@@ -42,6 +42,10 @@
     "@types/iarna__toml": "^2.0.1",
     "@types/js-yaml": "^4.0.0",
     "@types/jsonpath": "^0.2.0",
+    "@types/lerna__collect-updates": "^4.0.0",
+    "@types/lerna__package": "^4.0.2",
+    "@types/lerna__package-graph": "^4.0.1",
+    "@types/lerna__run-topologically": "^4.0.0",
     "@types/mocha": "^9.0.0",
     "@types/node": "^16.0.0",
     "@types/pino": "^7.0.0",

src/plugins/node-workspace.ts

@@ -13,7 +13,10 @@
 // limitations under the License.
 
 import {PackageGraph} from '@lerna/package-graph';
-import {Package as LernaPackage, PackageJson} from '@lerna/package';
+import {
+  Package as LernaPackage,
+  RawManifest as PackageJson,
+} from '@lerna/package';
 import {GitHub} from '../github';
 import {logger} from '../util/logger';
 import {