Bump grpc-tools from 1.12.4 to 1.13.0 (#116)

Bumps [grpc-tools](https://github.com/grpc/grpc-node) from 1.12.4 to 1.13.0.
- [Release notes](https://github.com/grpc/grpc-node/releases)
- [Commits](https://github.com/grpc/grpc-node/compare/[email protected]@1.13.0)

---
updated-dependencies:
- dependency-name: grpc-tools
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -17,7 +17,7 @@
     "decimal.js": "^10.5"
   },
   "devDependencies": {
-    "grpc-tools": "^1.12",
+    "grpc-tools": "^1.13",
     "@types/google-protobuf": "^3.15",
     "glob-parent": "^6.0",
     "grpc_tools_node_protoc_ts": "^5.3",