Update protobuf monorepo to v4.31.1 (patch)

This MR contains the following updates:

Package	Type	Update	Change
com.google.protobuf:protobuf-java (source)	dependencies	patch	4.31.0 -> 4.31.1
com.google.protobuf:protoc (source)	dependencies	patch	4.31.0 -> 4.31.1

---

Configuration

Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

Automerge: Disabled by config. Please merge this manually once you are satisfied.

Rebasing: Whenever MR becomes conflicted, or you tick the rebase/retry checkbox.

Ignore: Close this MR and you won't be reminded about these updates again.

---

• If you want to rebase/retry this MR, check this box

---

This MR has been generated by Renovate Bot.

build.gradle

@@ -30,7 +30,7 @@ gitProperties {
 
 protobuf {
     protoc {
-        artifact = 'com.google.protobuf:protoc:4.31.0'
+        artifact = 'com.google.protobuf:protoc:4.31.1'
     }
     plugins {
         grpc {
@@ -131,7 +131,7 @@ dependencies {
     implementation 'org.gitlab4j:gitlab4j-api:6.0.0-rc.10' // version 6 for jakarta
 
     // GRPC communication with Janitor
-    implementation('com.google.protobuf:protobuf-java:4.31.0')
+    implementation('com.google.protobuf:protobuf-java:4.31.1')
     implementation('io.grpc:grpc-netty-shaded:1.73.0')
     implementation('io.grpc:grpc-protobuf:1.73.0')
     implementation('io.grpc:grpc-stub:1.73.0')