Update dependency @grpc/grpc-js to v1.9.15 [SECURITY]

Author: renovate[bot]

yarn.lock

@@ -1702,9 +1702,9 @@
     "@types/node" ">=12.12.47"
 
 "@grpc/grpc-js@~1.9.0":
-  version "1.9.1"
-  resolved "https://registry.npmjs.org/@grpc/grpc-js/-/grpc-js-1.9.1.tgz"
-  integrity sha512-AvDEPQT4teS+J8++cTE5tku4rYCwpPwPguESJUummLs/Ug/O5Bouofnc1mxaDORmwA9QkrJ+PfRQ1Qs7adQgJg==
+  version "1.9.15"
+  resolved "https://registry.npmjs.org/@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"