Release macOS Intel builds

[snowdamiz]

Summary

• add macOS Intel release matrix entries for the desktop client and TUI
• bump desktop client and TUI versions to 0.1.34

Verification

• ruby YAML parse for release workflows
• git diff --check
• XERO_SKIP_COOKIE_IMPORTER=1 XERO_SKIP_DICTATION_SHIM=1 XERO_SKIP_SIDECAR_FETCH=1 XERO_SKIP_DESKTOP_SIDECAR=1 XERO_SKIP_IOS_HELPER=1 cargo check --package xero-desktop --bin xero --bin xero-desktop
• pnpm --dir client build
• pnpm release:push 0.1.34 --dry-run

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