Build(deps): Bump @grpc/grpc-js from 1.9.9 to 1.9.15

Bumps [@grpc/grpc-js](https://github.com/grpc/grpc-node) from 1.9.9 to 1.9.15.
- [Release notes](https://github.com/grpc/grpc-node/releases)
- [Commits](https://github.com/grpc/grpc-node/compare/@grpc/[email protected]...@grpc/[email protected])

---
updated-dependencies:
- dependency-name: "@grpc/grpc-js"
  dependency-type: indirect
...

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

yarn.lock

@@ -3382,9 +3382,9 @@
   integrity sha512-mB9oAsNCm9aM3/SOv4YtBMqZbYj10R7dkq8byBqxGY/ncFwhf2oQzMV+LCRlWoDSEBJ3COiR1yeDvMtsoOsuFQ==
 
 "@grpc/grpc-js@~1.9.0":
-  version "1.9.9"
-  resolved "https://registry.yarnpkg.com/@grpc/grpc-js/-/grpc-js-1.9.9.tgz#ce3a05439b1c957ec64c2ecdc6f1e4f54e8af797"
-  integrity sha512-vQ1qwi/Kiyprt+uhb1+rHMpyk4CVRMTGNUGGPRGS7pLNfWkdCHrGEnT6T3/JyC2VZgoOX/X1KwdoU0WYQAeYcQ==
+  version "1.9.15"
+  resolved "https://registry.yarnpkg.com/@grpc/grpc-js/-/grpc-js-1.9.15.tgz#433d7ac19b1754af690ea650ab72190bd700739b"
+  integrity sha512-nqE7Hc0AzI+euzUwDAy0aY5hCp10r734gMGRdU+qOPX0XSceI2ULrcXB5U2xSc5VkWwalCj4M7GzCAygZl2KoQ==
   dependencies:
     "@grpc/proto-loader" "^0.7.8"
     "@types/node" ">=12.12.47"