Lots of changes here, thanks everyone.

Features:

• Add Recommendations Trend Summary #1754 @bot-unit
• Add Recommendation upgrades & downgrades #1773 @bot-unit
• Add Insider Roster & Transactions #1772 @JuliaLWang8
• Moved download() progress bar to STDERR #1776 @coskos-ops
• PIP optional dependencies #1771 #1807 @JuliaLWang8

Fixes

• Fix download() DatetimeIndex on invalid symbols #1779 @VishnuAkundi
• Price repair fixes #1768 #1798
• Fix Ticker.calendar fetch #1790 @bot-unit
• Fix invalid date entering cache DB #1796
• Fixed adding complementary to Ticker.info #1774 @coskos-ops
• Fix raise_errors argument ignored in Ticker.history() #1806 @puntonim
• Ticker.earnings_dates: fix warning Value 'NaN' has dtype incompatible with float64 #1810 @Tejasweee

Maintenance

• Refactor Ticker proxy #1711 @rickturner2001
• Add Ruff linter checks #1756 @marco-carvalho
• Resolve Pandas FutureWarnings #1766 @JuliaLWang8