feat: use eip7805-support image for dora when eip7805 is scheduled for activation (ethereum#900)

Author: pk910

src/dora/dora_launcher.star

@@ -127,6 +127,8 @@ def get_config(
             IMAGE_NAME = "ethpandaops/dora:fulu-support"
         if network_params.eip7732_fork_epoch < constants.EIP7732_FORK_EPOCH:
             IMAGE_NAME = "ethpandaops/dora:eip7732-support"
+        if network_params.eip7805_fork_epoch < constants.EIP7805_FORK_EPOCH:
+            IMAGE_NAME = "ethpandaops/dora:eip7805-support"
 
     return ServiceConfig(
         image=IMAGE_NAME,