3.3.0

This release replaces the internal source locator provided by
this package with the more updated and widely used class and
function definitions by jetbrains/phpstorm-stubs, allowing
for quicker updates and more community-based internal symbol
reflection synchronisation.

Total issues resolved: 4

• 373: Source stubber based on jetbrains/phpstorm-stubs thanks to @kukulich
• 458: Update usage.md thanks to @panosru
• 460: Better highlighting for code snippets in README.md thanks to @phpdev
• 462: Use Null Coalesce Operator thanks to @carusogabriel