Fix: detect nested interactive elements using heuristics to avoid ski… …pping actionable items (browser-use#1660)

bump version to 0.1.48 

Add CONTRIBUTING.md with link to contribution guide (browser-use#1645) 

bump version to 0.1.46 

Add Tests for Dropdown Selection and Element Click Actions (browser-u……se#1583)

bump version to 0.1.45 

bump version number 

Update pyproject.toml 

Update version in pyproject.toml 

fix linter