Bump protobuf from 3.25.3 to 4.26.0

Bumps `protobuf` from 3.25.3 to 4.26.0.

Updates `com.google.protobuf:protobuf-java` from 3.25.3 to 4.26.0
- [Release notes](https://github.com/protocolbuffers/protobuf/releases)
- [Changelog](https://github.com/protocolbuffers/protobuf/blob/main/protobuf_release.bzl)
- [Commits](https://github.com/protocolbuffers/protobuf/commits)

Updates `com.google.protobuf:protobuf-java-util` from 3.25.3 to 4.26.0

Updates `com.google.protobuf:protobuf-javalite` from 3.25.3 to 4.26.0

Updates `com.google.protobuf:protobuf-kotlin` from 3.25.3 to 4.26.0

Updates `com.google.protobuf:protobuf-kotlin-lite` from 3.25.3 to 4.26.0

---
updated-dependencies:
- dependency-name: com.google.protobuf:protobuf-java
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.google.protobuf:protobuf-java-util
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.google.protobuf:protobuf-javalite
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.google.protobuf:protobuf-kotlin
  dependency-type: direct:production
  update-type: version-update:semver-major
- dependency-name: com.google.protobuf:protobuf-kotlin-lite
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

gradle/libs.versions.toml

@@ -11,7 +11,7 @@ moshi = "1.15.1"
 okhttp = "4.12.0"
 okio = "3.8.0"
 # Ensure that PROTOC_VERSION in the Makefile is updated when changing this version.
-protobuf = "3.25.3"
+protobuf = "4.26.0"
 slf4j = "2.0.12"
 spotless = "6.25.0"