chore: update release rate percentage

Author: devpavan04

pages/network/tokenomics/allocation.mdx

@@ -31,7 +31,7 @@ Tangle Network implements two distinct vesting schedules designed to promote lon
 - Post-Cliff Distribution:
   - At cliff end (12 months): 25% of total allocation released
   - Remaining 75%: Vested monthly over 36 months in equal increments
-- Monthly Release Rate: ~2.08% of total allocation (post-cliff)
+- Monthly Release Rate: ~2.778% of total allocation (post-cliff)
 
 **B-Vesting (Airdrop Schedule):**