Bump version to 0.65.0

[imaNNeo]

• FEATURE (by @Dartek12) Added gradient to FlLine, Let FlLine accept a gradient or a color #1197
• BUGFIX (by @imaNNeo) Fix bar line shadow crash when we have only one (or zero) spot, LineChartBarData crash if shadow applied on iOS #1466
• BUGFIX (by @imaNNeo) Fix having negative toY (or positive fromY) in BarChart's minY and maxY calculations, BackgroundBarChartRodData with negative values broke in 0.64.0 #1470
• BUGFIX (by @bobatsar) Fix bars drawn outside of diagram
• FEATURE (by @k0psutin) Add dashed border to BarChartRodData, Add feature to add dashed border around a bar #1144
• FEATURE (by @imaNNeo) Allow to show single point line in LineChart, Single point line not visible #1438

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Comparison is base (9877450) 86.70% compared to head (5307f03) 86.70%.

Additional details and impacted files

@@           Coverage Diff           @@
##           master    #1503   +/-   ##
=======================================
  Coverage   86.70%   86.70%           
=======================================
  Files          45       45           
  Lines        3024     3024           
=======================================
  Hits         2622     2622           
  Misses        402      402           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.