chore: fix release notes 0.9.6 (tari-project#1489)

Description
Fix release notes

CHANGELOG.md

@@ -1,4 +1,6 @@
-🌟 **TARI UNIVERSE v0.9.6: The Great Pool War, Episode 2**
+# 🌟 TARI UNIVERSE v0.9.6: The Great Pool War, Episode 2
+
+_February 6, 2025_
 
 Dear Community,
 Great generals know how to maximize their resources to win battles (blocks!). Today’s release makes Tari Universe a leaner, meaner mining machine. The GUI now uses less memory and is smarter with its overall resource utilization. Will you win The Great Pool War? We are rooting for you anon
@@ -24,6 +26,8 @@ Great generals know how to maximize their resources to win battles (blocks!). To
 
 # 🌟 TARI UNIVERSE v0.9.5: The Great Pool War, Episode 1
 
+_February 4, 2025_
+
 Dear Community,
 
 We’ve been building up to this point for many weeks together: today begins the great pool war. Tari Universe v0.9.5 is an important one featuring significant improvements to hash-tiers (low-hash rate miners, ftw!) and the addition of another pool to the Tari world (3 total now: 2 “fast” and 1 “slow”). This release will hopefully improve the overall win frequency for ALL miners on the Tari testnet. A reminder: we define win frequency as the % of miners who earn a reward daily. Our mission is to achieve an 80%+ win frequency during this phase of the Tari testnet