feat: use base image instead of pip install (#322)

src/eip4788_deployment/eip4788_deployment_launcher.star

-PYTHON_IMAGE = "python:3.11-alpine"
+PYTHON_IMAGE = "ethpandaops/python-web3"
 EIP4788_DEPLOYMENT_SERVICE_NAME = "eip4788-contract-deployment"
 
 
@@ -18,11 +18,6 @@ def deploy_eip4788_contract_in_background(plan, sender_key, el_uri):
         ),
     )
 
-    plan.exec(
-        service_name=EIP4788_DEPLOYMENT_SERVICE_NAME,
-        recipe=ExecRecipe(["pip", "install", "web3"]),
-    )
-
     plan.exec(
         service_name=EIP4788_DEPLOYMENT_SERVICE_NAME,
         recipe=ExecRecipe(

src/mev_custom_flood/mev_custom_flood_launcher.star

-PYTHON_IMAGE = "python:3.11-alpine"
+PYTHON_IMAGE = "ethpandaops/python-web3"
 CUSTOM_FLOOD_SERVICE_NAME = "mev-custom-flood"
 
 
@@ -19,11 +19,6 @@ def spam_in_background(plan, sender_key, receiver_key, el_uri, params):
         ),
     )
 
-    plan.exec(
-        service_name=CUSTOM_FLOOD_SERVICE_NAME,
-        recipe=ExecRecipe(["pip", "install", "web3", "click"]),
-    )
-
     plan.exec(
         service_name=CUSTOM_FLOOD_SERVICE_NAME,
         recipe=ExecRecipe(