feat: increase chart title size and enhance title colors

[Gadha2311]

Updated chart title styling by increasing the title size and improving title colors for better visibility and UI appearance.

Changes Made

• Increased chart title font size
• Enhanced title colors for better readability

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 39.23%. Comparing base (6c63e68) to head (7e539a5).
⚠️ Report is 3151 commits behind head on develop.

❗ There is a different number of reports uploaded between BASE (6c63e68) and HEAD (7e539a5). Click for more details.

HEAD has 4 uploads less than BASE

Flag	BASE (6c63e68)	HEAD (7e539a5)
	4	0

Additional details and impacted files

@@             Coverage Diff              @@
##           develop    #1117       +/-   ##
============================================
- Coverage    51.16%   39.23%   -11.94%     
============================================
  Files           62       75       +13     
  Lines         3979     5589     +1610     
============================================
+ Hits          2036     2193      +157     
- Misses        1943     3396     +1453     

Flag	Coverage Δ
server	39.23% <ø> (?)

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