v2.3.1

Bug Fixes:

• #2439 - style-compiler: Scope CSS keyframes in synthetic shadow.
• #2445 - template-compiler: Fix !important in inline styles.

Internal:

• **#2433 - refactor(template-compiler): Upgrade parse5 and clean up error location.
• #2449 - refactor(template-compiler): Remove original and attrsList references.
• #2457 - refactor(template-compiler): Remove parent AST references.
• #2400 - perf: Expose global profiler marks, drop them in prod.
• #2441 - perf: Parallelize lwc build based on rollup input.
• #2453 - perf: Remove Array.prototype.proxy polyfill.
• #2435 - perf: Use const enum over enum.
• #2462 - test: Add more tests for light DOM inheritance.
• #2427 - test(jest): use ts-jest for typechecking
• #2434 - chore(build): Properly handle worker errors.
• #2444 - chore: Simplify how benchmarks load components
• #2454 - refactor: Use a single noop function throughout all packages.
• #2448 - chore: Update dependencies.