Bump version up to 1.1.0

[imaNNeo]

• FEATURE (by @kamilJ96) Add gradient property inside our BarChartRodStackItem to be able to render gradient (along with the possibility to render a solid color), Include gradient field to BarChartRodStackItem #919
• FEATURE (by @alettsy) Add sideTitleAlignment property in our AxisTitles to allow you to control the alignment of side titles (for example show them inside the chart), Is it possible to move x axis labels in chart area? #1946
• FEATURE (by @huanghui1998hhh) Add gradientArea property to LineChartBarData to allow you to control the scope of gradient effects, feat: add gradientArea property for LineChartBarData #1925
• FEATURE (by @alikhavarii13) Add label and labelStyle properties in our BarChartRodStackItem to allow you to show labels on each stack item, Add Text Inside Bar to Bar Chart #598
• BREAKING ⚠️ (by @alikhavarii13) borderSide now is a named parameter (instead of a optional positional parameter in BarChartRodStackItem constructor. As it is a very minor breaking change, we decided to include it in this minor release (instead of doing a major release based on the semantic versioning. Sorry about that!
  So you just need to change this:

BarChartRodStackItem(
  0,
  10,
  Colors.green,
  BorderSide(color: Colors.white),
),

to this:

BarChartRodStackItem(
  0,
  10,
  Colors.green,
  borderSide: BorderSide(color: Colors.white),
),

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 92.51%. Comparing base (a08bfad) to head (866408a).
⚠️ Report is 1 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #1984   +/-   ##
=======================================
  Coverage   92.51%   92.51%           
=======================================
  Files          50       50           
  Lines        3714     3714           
=======================================
  Hits         3436     3436           
  Misses        278      278           

Flag	Coverage Δ
flutter	92.51% <ø> (ø)

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