Update history.txt

Author: psikomonkie

MekHQ/docs/history.txt

@@ -244,7 +244,8 @@ MEKHQ VERSION HISTORY:
 + PR #6695: Skip Turrets / Gun Emplacements when auto-configuring NPC ammo loadouts
 + PR #6696: Updated New Player Guide for 50.05; Added Print Friendly Version
 + PR #6699: Thunderbird Battle Armor (3145/NTNU RS Upgrade versions) had no space between (Upgrade) and [Wepaon Type] in MHQ, but it did in MM.
-+ Fix #6700: Fixed Company Kill Awards not awarded 
++ Fix #6700: Fixed Company Kill Awards not awarded
++ PR #6703: Added Null Protection to ReportHyperlinkListener
 
 0.50.04 (2025-03-22 1600 UTC)
 + PR #5852: RAW CamOps Delivery Times