WoT 1.29 Common Test: Vz. 62 Jasan Changes

Vz. 62 Jasan (🇨🇿 Czechoslovakia, Tier IX Medium, Premium, 4-Round Autoloader Mechanic)
Changes relative to the second Supertest iteration.

Mobility:
• Engine Power: Reduced from 930 to 850 hp
• Specific Power: Reduced from 25.14 to 22.97 hp/t

Firepower:
• Projectile Cost (APCR): Reduced from 1,020 to 675 credits
• Projectile Cost (HE): Reduced from 710 to 369 credits