Bump io.grpc:grpc-kotlin-stub from 1.3.0 to 1.4.0

Bumps [io.grpc:grpc-kotlin-stub](https://github.com/grpc/grpc-kotlin) from 1.3.0 to 1.4.0.
- [Release notes](https://github.com/grpc/grpc-kotlin/releases)
- [Changelog](https://github.com/grpc/grpc-kotlin/blob/master/CHANGELOG.md)
- [Commits](grpc/grpc-kotlin@v1.3.0...v1.4.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-kotlin-stub
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

dp-inntekt-grpc/build.gradle.kts

@@ -1,7 +1,7 @@
 import com.google.protobuf.gradle.* // ktlint-disable no-wildcard-imports
 
 val grpcVersion = "1.51.1"
-val grpcKotlinVersion = "1.3.0"
+val grpcKotlinVersion = "1.4.0"
 val protbufVersion = "3.21.12"
 val protobufGradleVersion = "0.9.2"