Missed SNAPSHOT versions

Author: suztomo

.cloudbuild/library_generation/cloudbuild-library-generation-push.yaml

@@ -14,7 +14,7 @@
 
 timeout: 7200s # 2 hours
 substitutions:
-  _GAPIC_GENERATOR_JAVA_VERSION: '2.59.1-SNAPSHOT' # {x-version-update:gapic-generator-java:current}
+  _GAPIC_GENERATOR_JAVA_VERSION: '2.59.3' # {x-version-update:gapic-generator-java:current}
   _PRIVATE_IMAGE_NAME: "us-docker.pkg.dev/java-hermetic-build-prod/private-resources/java-library-generation"
   _PRIVATE_SHA_IMAGE_ID: "${_PRIVATE_IMAGE_NAME}:${COMMIT_SHA}"
   _PRIVATE_LATEST_IMAGE_ID: "${_PRIVATE_IMAGE_NAME}:latest"

.cloudbuild/library_generation/library_generation.Dockerfile

@@ -21,7 +21,7 @@ FROM docker.io/library/maven:3.9.9-eclipse-temurin-17-alpine@sha256:969014ee8852
 WORKDIR /sdk-platform-java
 COPY . .
 # {x-version-update-start:gapic-generator-java:current}
-ENV DOCKER_GAPIC_GENERATOR_VERSION="2.59.1-SNAPSHOT"
+ENV DOCKER_GAPIC_GENERATOR_VERSION="2.59.3"
 # {x-version-update-end}
 
 # Download the java formatter

.cloudbuild/library_generation/library_generation_airlock.Dockerfile

@@ -21,7 +21,7 @@ FROM us-docker.pkg.dev/artifact-foundry-prod/docker-3p-trusted/maven@sha256:d3f0
 WORKDIR /sdk-platform-java
 COPY . .
 # {x-version-update-start:gapic-generator-java:current}
-ENV DOCKER_GAPIC_GENERATOR_VERSION="2.59.1-SNAPSHOT"
+ENV DOCKER_GAPIC_GENERATOR_VERSION="2.59.3"
 # {x-version-update-end}
 
 # Download the java formatter

WORKSPACE

@@ -58,7 +58,7 @@ load("@rules_jvm_external//:defs.bzl", "maven_install")
 load("@io_grpc_grpc_java//:repositories.bzl", "IO_GRPC_GRPC_JAVA_ARTIFACTS")
 load("@io_grpc_grpc_java//:repositories.bzl", "IO_GRPC_GRPC_JAVA_OVERRIDE_TARGETS")
 
-_gapic_generator_java_version = "2.59.1-SNAPSHOT"  # {x-version-update:gapic-generator-java:current}
+_gapic_generator_java_version = "2.59.3"  # {x-version-update:gapic-generator-java:current}
 
 maven_install(
     artifacts = [