feat: differentiate builder ec by suffixing it with '-builder' (#347)

Resolves https://github.com/kurtosis-tech/ethereum-package/issues/119

---------
Co-authored-by: Barnabas Busa <busa.barnabas@gmail.com>

src/package_io/constants.star

 EL_CLIENT_TYPE = struct(
+    gethbuilder="geth-builder",
     geth="geth",
     erigon="erigon",
     nethermind="nethermind",

src/package_io/input_parser.star

@@ -518,6 +518,9 @@ def enrich_mev_extra_params(parsed_arguments_dict, mev_prefix, mev_port, mev_typ
 
     if mev_type == "full":
         mev_participant = default_participant()
+        mev_participant["el_client_type"] = (
+            mev_participant["el_client_type"] + "-builder"
+        )
         mev_participant.update(
             {
                 "el_client_image": parsed_arguments_dict["mev_params"][

src/participant_network.star

@@ -142,6 +142,16 @@ def launch_participant_network(
             ),
             "launch_method": geth.launch,
         },
+        constants.EL_CLIENT_TYPE.gethbuilder: {
+            "launcher": geth.new_geth_launcher(
+                network_params.network_id,
+                el_cl_data,
+                final_genesis_timestamp,
+                network_params.capella_fork_epoch,
+                network_params.electra_fork_epoch,
+            ),
+            "launch_method": geth.launch,
+        },
         constants.EL_CLIENT_TYPE.besu: {
             "launcher": besu.new_besu_launcher(network_params.network_id, el_cl_data),
             "launch_method": besu.launch,