Downgrade prysm

Author: OisinKyne

compose-vc.yml

@@ -61,7 +61,7 @@ services:
 
   vc-prysm:
     profiles: [vc-prysm]
-    image: offchainlabs/prysm-validator:${VC_PRYSM_VERSION:-v7.1.3}
+    image: offchainlabs/prysm-validator:${VC_PRYSM_VERSION:-v7.1.2}
     platform: "linux/amd64"
     depends_on: [charon]
     networks: [dvnode]