chore(deps): bump golang from 1.24-alpine to 1.25-alpine

Bumps golang from 1.24-alpine to 1.25-alpine.

---
updated-dependencies:
- dependency-name: golang
  dependency-version: 1.25-alpine
  dependency-type: direct:production
...

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

Dockerfile.mcpbox

@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 # Install build dependencies
 RUN apk add --no-cache git

Dockerfile.webui

@@ -17,7 +17,7 @@ COPY webui/react-ui/ ./
 RUN bun run build
 
 # Use a temporary build image based on Golang 1.24-alpine
-FROM golang:1.24-alpine AS builder
+FROM golang:1.25-alpine AS builder
 
 # Define argument for linker flags
 ARG LDFLAGS="-s -w"