doc: Fix a dependency version pinning comment

- Removed the mention of an old specific grpc version in the pinning comment.

.github/dependabot.yml

@@ -21,9 +21,9 @@ updates:
   - dependency-name: "org.springframework.boot:*"
     update-types: [ "version-update:semver-major" ] # Bump this after we bump to Java 17, which v3 requires (and the current v2 will be supported until November 2023: https://spring.io/blog/2022/05/24/preparing-for-spring-boot-3-0)
   - dependency-name: "com.google.protobuf:protoc"
-    update-types: [ "version-update:semver-major" ] # We need to stay with protobuf-java & protoc 3.25.x as the latest grpc 1.62.2 still depends on protobuf-java & protoc 3.25.x https://github.com/grpc/grpc-java/issues/11015
+    update-types: [ "version-update:semver-major" ] # We need to stay with protobuf-java & protoc 3.25.x as the latest grpc still depends on protobuf-java & protoc 3.25.x https://github.com/grpc/grpc-java/issues/11015
   - dependency-name: "com.google.protobuf:protobuf-java"
-    update-types: [ "version-update:semver-major" ] # We need to stay with protobuf-java & protoc 3.25.x as the latest grpc 1.62.2 still depends on protobuf-java & protoc 3.25.x https://github.com/grpc/grpc-java/issues/11015
+    update-types: [ "version-update:semver-major" ] # We need to stay with protobuf-java & protoc 3.25.x as the latest grpc still depends on protobuf-java & protoc 3.25.x https://github.com/grpc/grpc-java/issues/11015
 
 
 - package-ecosystem: "github-actions"

build.gradle

@@ -25,7 +25,7 @@ buildscript {
         snakeyamlVersion = '2.3'
         grpcVersion = '1.66.0'
         // We need to stay with protobuf-java & protoc 3.25.x as the latest
-        // grpc 1.62.2 still depends on protobuf-java & protoc 3.25.x. Once we
+        // grpc still depends on protobuf-java & protoc 3.25.x. Once we
         // bump grpc to version that depnds on protobuf-java & protoc to 4.x.x,
         // it is likely that we are going to get conflicts because we also have
         // direct dependency to protobuf 3.25.x. We will need to bump protobuf