docker(deps): bump golang from 1.24.5-alpine to 1.25.6-alpine

Bumps golang from 1.24.5-alpine to 1.25.6-alpine.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.25.6-alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

Dockerfile

@@ -4,7 +4,7 @@
 # =============================================================================
 # Base builder stage
 # =============================================================================
-FROM golang:1.24.5-alpine AS builder
+FROM golang:1.25.6-alpine AS builder
 
 # Install build dependencies
 RUN apk --no-cache add ca-certificates git make
@@ -29,7 +29,7 @@ RUN CGO_ENABLED=0 GOOS=linux go build -a -installsuffix cgo -ldflags="-w -s" -o
 # =============================================================================
 # Development stage
 # =============================================================================
-FROM golang:1.24.5-alpine AS development
+FROM golang:1.25.6-alpine AS development
 
 # Install development tools
 RUN apk --no-cache add ca-certificates curl git make bash