Bump grpc from 1.24.3 to 1.24.10 in /src/currencyservice (GoogleCloudPlatform#546)

Bumps [grpc](https://github.com/grpc/grpc-node) from 1.24.3 to 1.24.10.
- [Release notes](https://github.com/grpc/grpc-node/releases)
- [Commits](https://github.com/grpc/grpc-node/compare/[email protected]@1.24.10)

Signed-off-by: dependabot[bot] <[email protected]>

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

Author: dependabot[bot]

src/currencyservice/package-lock.json

@@ -15,7 +15,7 @@
     "@grpc/proto-loader": "0.5.6",
     "async": "3.2.0",
     "google-protobuf": "3.13.0",
-    "grpc": "1.24.3",
+    "grpc": "1.24.10",
     "pino": "5.17.0",
     "request": "2.88.2",
     "xml2js": "0.4.23"