Bun v1.2.19

Fixes 163 issues (addressing 1,043 👍). Introduces `bun install --linker=isolated` for pnpm-style isolated node_modules, `bun why` for dependency tree understanding, `bun pm pkg` commands for package.json management, enhanced `node:fs.glob()` with array patterns and exclude options, `node:module.SourceMap` class and `findSourceMap()`, smarter `@types/bun` with automatic Node.js compatibility detection, plus numerous Node.js compatibility improvements, runtime bugfixes, bundler enhancements, and bun install optimizations.