Bump default Claude/Copilot/Codex/GitHub MCP versions and recompile lock outputs

[Copilot]

This updates the scheduled CLI/MCP version refresh by applying four pending defaults in pkg/constants/version_constants.go (Claude Code, Copilot CLI, Codex, GitHub MCP Server). Lockfile-generated workflows and wasm golden outputs are regenerated so compiled artifacts reflect the new defaults consistently.

• Version constant updates

  • DefaultClaudeCodeVersion: 2.1.150 → 2.1.153
  • DefaultCopilotVersion: 1.0.52 → 1.0.54
  • DefaultCodexVersion: 0.133.0 → 0.134.0
  • DefaultGitHubMCPServerVersion: v1.0.4 → v1.0.5

• Generated workflow outputs

  • Recompiled .github/workflows/*.lock.yml to propagate new install/image versions across compiled workflows.

• Golden fixture alignment

  • Updated pkg/workflow/testdata/TestWasmGolden_CompileFixtures/*.golden
  • Updated pkg/workflow/testdata/TestWasmGolden_AllEngines/*.golden
  • Ensures expected compiled YAML snapshots track the new default versions.

const DefaultClaudeCodeVersion Version = "2.1.153"
const DefaultCopilotVersion Version = "1.0.54"
const DefaultCodexVersion Version = "0.134.0"
const DefaultGitHubMCPServerVersion Version = "v1.0.5"