fix(docker): update Go version to 1.24.4 for consistency

- Update Dockerfile to use golang:1.24.4-alpine instead of golang:1.24-alpine
- Ensures complete consistency across all documentation and build files
- Aligns with go.mod, CI workflow, and documentation requirements

🤖 Generated with [Claude Code](https://claude.ai/code)

Co-Authored-By: Claude <noreply@anthropic.com>

Author: starbops

Dockerfile

@@ -1,5 +1,5 @@
 # Build stage
-FROM golang:1.24-alpine AS builder
+FROM golang:1.24.4-alpine AS builder
 
 # Install dependencies
 RUN apk --no-cache add ca-certificates git