Bump io.grpc:grpc-bom from 1.78.0 to 1.79.0 (#12910)

Bumps [io.grpc:grpc-bom](https://github.com/grpc/grpc-java) from 1.78.0 to 1.79.0.
- [Release notes](https://github.com/grpc/grpc-java/releases)
- [Commits](grpc/grpc-java@v1.78.0...v1.79.0)

---
updated-dependencies:
- dependency-name: io.grpc:grpc-bom
  dependency-version: 1.79.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

build.gradle.kts

@@ -20,7 +20,7 @@ extra.apply {
     set("besuVersion", "25.2.2")
     set("blockNodeVersion", "0.24.2")
     set("consensusNodeVersion", "0.70.0")
-    set("grpcVersion", "1.78.0")
+    set("grpcVersion", "1.79.0")
     set("jooq.version", "3.20.11") // Must match buildSrc/build.gradle.kts
     set("mapStructVersion", "1.6.3")
     set("nodeJsVersion", "24.13.0")