chore(deps-dev): bump @types/datastore-core from 0.7.0 to 3.0.0

Bumps [@types/datastore-core](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/datastore-core) from 0.7.0 to 3.0.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/datastore-core)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

package.json

@@ -34,7 +34,7 @@
   "license": "MIT",
   "devDependencies": {
     "@types/chai": "^4.2.7",
-    "@types/datastore-core": "^0.7.0",
+    "@types/datastore-core": "^3.0.0",
     "@types/interface-datastore": "^0.8.0",
     "@types/lexicographic-integer": "^1.1.0",
     "@types/mocha": "^7.0.1",