chore: upgrade Go to 1.23 and update GitHub Actions

[phodal]

Summary

Upgrade Go infrastructure to latest versions.

Changes

Go Version

• Upgrade Go version from 1.18 to 1.23
• Run go mod tidy to clean up dependencies
• antlr4 moved from indirect to direct dependency

GitHub Actions (Requires manual update due to OAuth permissions)

The following workflow updates need to be applied manually or via GitHub web UI:

.github/workflows/go.yml:

name: Build

on:
  push:
    branches: [ master ]
  pull_request:
    branches: [ master ]

jobs:

  build:
    name: Build
    runs-on: ubuntu-latest
    steps:

    - name: Check out code into the Go module directory
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.23'

    - name: Setup Graphviz
      uses: ts-graphviz/setup-graphviz@v2

    - name: Build
      run: go build -v ./...

    - name: Test
      run: go test -v ./...

.github/workflows/release.yml:

name: Release

on:
  push:
    tags:
      - '*'

jobs:

  build:
    name: Build
    runs-on: ubuntu-latest
    steps:

    - name: Check out code into the Go module directory
      uses: actions/checkout@v4

    - name: Set up Go
      uses: actions/setup-go@v5
      with:
        go-version: '1.23'

    - name: Build
      run: go build -v .

    - name: Test
      run: go test -v .

    - name: Release
      run: make build

    - name: upload GNU/Linux coca to release
      uses: svenstaro/upload-release-action@v2
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        file: output/coca_linux
        asset_name: coca_linux
        tag: ${{ github.ref }}

    - name: upload macOS coca to release
      uses: svenstaro/upload-release-action@v2
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        file: output/coca_macos
        asset_name: coca_macos
        tag: ${{ github.ref }}

    - name: upload Windows coca to release
      uses: svenstaro/upload-release-action@v2
      with:
        repo_token: ${{ secrets.GITHUB_TOKEN }}
        file: output/coca_windows.exe
        asset_name: coca_windows.exe
        tag: ${{ github.ref }}

Key Updates

• actions/checkout v2 → v4
• actions/setup-go v2 → v5
• ts-graphviz/setup-graphviz v1 → v2
• svenstaro/upload-release-action v1-release → v2
• Removed deprecated dep support

Testing

• ✅ Build passes: go build -v ./...
• ✅ Tests pass: go test ./...

---

Pull Request opened by Augment Code with guidance from the PR author

[phodal]

@copilot 根据 issue 中的描述，更新一下 build，避免构建失败

[Copilot]

@phodal I've opened a new pull request, #40, to work on those changes. Once the pull request is ready, I'll request review from you.

[phodal]

@copilot 根据 PR 中的描述，更新一下 workflow，避免构建失败