Bump Go toolchain to 1.25.11

.github/workflows/backend-lint.yml

@@ -1,15 +1,15 @@
 name: Backend - Lint
 
 env:
-  GO_VERSION: "1.25.10"
+  GO_VERSION: "1.25.11"
 
 on:
   pull_request:
     paths:
       - backend/**
       - .github/workflows/backend-lint.yml
   push:
-    branches: [main]
+    branches: [ main ]
     paths:
       - backend/**
       - .github/workflows/backend-lint.yml

.github/workflows/backend-test.yml

@@ -24,7 +24,7 @@ jobs:
       - name: Setup Go
         uses: actions/setup-go@v5
         with:
-          go-version: "1.25"
+          go-version: "1.25.11"
           cache-dependency-path: backend/go.sum
 
       - name: Install dependencies

backend/Dockerfile

@@ -9,7 +9,7 @@ RUN apk --no-cache add curl && \
 # ========================================
 # Build Stage
 # ========================================
-FROM --platform=$BUILDPLATFORM golang:1.25.10-alpine AS builder
+FROM --platform=$BUILDPLATFORM golang:1.25.11-alpine AS builder
 
 # Install build dependencies
 RUN apk add --no-cache git ca-certificates tzdata

backend/Dockerfile.dev

@@ -1,7 +1,7 @@
 # ========================================
 # Development Dockerfile with Go and Air
 # ========================================
-FROM golang:1.25.10-alpine AS develop
+FROM golang:1.25.11-alpine AS develop
 
 ENV TZ=Asia/Tokyo