build: Go 1.25 (#1897)

Towards #1895. Go 1.25,
released in mid August, has better support for symbolic links.

Author: suztomo

Dockerfile

@@ -12,7 +12,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-FROM golang:1.24.4 AS build
+FROM golang:1.25.0 AS build
 
 WORKDIR /src
 
@@ -28,7 +28,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build ./cmd/librarian
 # while in Docker. Note that for this to work, *this*
 # docker image should be run with
 #  -v /var/run/docker.sock:/var/run/docker.sock
-FROM golang:1.24.4
+FROM golang:1.25.0
 WORKDIR /app
 
 # From https://docs.docker.com/engine/install/debian/

go.mod

@@ -1,6 +1,6 @@
 module github.com/googleapis/librarian
 
-go 1.24.4
+go 1.25.0
 
 require (
 	cloud.google.com/go/cloudbuild v1.22.3

infra/prod/generate-worker.yaml

@@ -15,7 +15,7 @@
 # This runs the `librarian generate` command with a provided repository,
 # secret name, and optional library ID
 steps:
-  - name: golang:1.24.4
+  - name: golang:1.25.0
     id: generate-dispatcher
     entrypoint: go
     args:

infra/prod/publish-release-worker.yaml

@@ -15,7 +15,7 @@
 # This runs the `librarian release tag-and-release` command with a provided repository,
 # secret name, and optional PR
 steps:
-  - name: golang:1.24.4
+  - name: golang:1.25.0
     id: publish-release-dispatcher
     entrypoint: go
     args:

infra/prod/stage-release-worker.yaml

@@ -15,7 +15,7 @@
 # This runs the `librarian release init` command with a provided repository,
 # secret name, and optional library ID
 steps:
-  - name: golang:1.24.4
+  - name: golang:1.25.0
     id: stage-release-dispatcher
     entrypoint: go
     args:

testdata/e2e-test.Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Start with a Go base image
-FROM golang:1.24.5 AS builder
+FROM golang:1.25.0 AS builder
 
 WORKDIR /app