fix: update magenta palette to true magenta colors

- Changed magenta color values from rose-red to purple-pink shades
- magenta[40] now #E600AC (true magenta) instead of #ff385c (rose-red)
- magenta palette now uses proper purple-pink spectrum
- Addresses reviewer feedback on color accuracy

Signed-off-by: Jeet Burman <jeetburrman@gmail.com>

Author: jeetburman

src/theme/colors/colors.ts

@@ -155,13 +155,13 @@ export const yellow = {
 };
 
 export const magenta = {
-  70: '#FFF0F0',
-  60: '#FFB3B9',
-  50: '#FF6179',
-  40: '#ff385c',
-  30: '#B3153D',
-  20: '#8C0a2F',
-  10: '#660624'
+  70: '#FFF0FA',
+  60: '#FFB3E6',
+  50: '#FF66CC',
+  40: '#E600AC',
+  30: '#B30086',
+  20: '#800060',
+  10: '#4D0039'
 };
 
 export const red = {