Bump @grpc/grpc-js from 1.8.21 to 1.9.1

Bumps [@grpc/grpc-js](https://github.com/grpc/grpc-node) from 1.8.21 to 1.9.1.
- [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: direct:production
  update-type: version-update:semver-minor
...

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

yarn.lock

@@ -353,14 +353,14 @@
   integrity sha512-a8TLtmPi8xzPkCbp/OGFUo5yhRkHM2Ko9kOWP4znJr0WAhWyThaw3PnwX4vOTWOAMsV2uRt32PPDcEz63esSaA==
 
 "@grpc/grpc-js@^1.8.15":
-  version "1.8.21"
-  resolved "https://registry.yarnpkg.com/@grpc/grpc-js/-/grpc-js-1.8.21.tgz#d282b122c71227859bf6c5866f4c40f4a2696513"
-  integrity sha512-KeyQeZpxeEBSqFVTi3q2K7PiPXmgBfECc4updA1ejCLjYmoAlvvM3ZMp5ztTDUCUQmoY3CpDxvchjO1+rFkoHg==
+  version "1.9.1"
+  resolved "https://registry.yarnpkg.com/@grpc/grpc-js/-/grpc-js-1.9.1.tgz#d6df7943cd2875a4feaf725f85ff605c08ac245d"
+  integrity sha512-AvDEPQT4teS+J8++cTE5tku4rYCwpPwPguESJUummLs/Ug/O5Bouofnc1mxaDORmwA9QkrJ+PfRQ1Qs7adQgJg==
   dependencies:
-    "@grpc/proto-loader" "^0.7.0"
+    "@grpc/proto-loader" "^0.7.8"
     "@types/node" ">=12.12.47"
 
-"@grpc/proto-loader@^0.7.0", "@grpc/proto-loader@^0.7.5":
+"@grpc/proto-loader@^0.7.5", "@grpc/proto-loader@^0.7.8":
   version "0.7.8"
   resolved "https://registry.yarnpkg.com/@grpc/proto-loader/-/proto-loader-0.7.8.tgz#c050bbeae5f000a1919507f195a1b094e218036e"
   integrity sha512-GU12e2c8dmdXb7XUlOgYWZ2o2i+z9/VeACkxTA/zzAe2IjclC5PnVL0lpgjhrqfpDYHzM8B1TF6pqWegMYAzlA==