ci: adds nightly interop network build (#132)

Author: zhwrd

.github/tests/interop.yaml

@@ -0,0 +1,37 @@
+optimism_package:
+  interop:
+    enabled: true
+  chains:
+    - participants:
+      - el_type: op-geth
+        cl_type: op-node
+      network_params:
+        network: "interop"
+        network_id: "2151908"
+        name: "interop-1"
+        holocene_time_offset: 0
+        interop_time_offset: 0
+        fund_dev_accounts: true
+    - participants:
+      - el_type: op-geth
+        cl_type: op-node
+      network_params:
+        network: "interop"
+        network_id: "2151909"
+        name: "interop-2"
+        holocene_time_offset: 0
+        interop_time_offset: 0
+        fund_dev_accounts: true
+ethereum_package:
+  network_params:
+    preset: minimal
+    genesis_delay: 5
+    additional_preloaded_contracts: |
+      {
+        "0x4e59b44847b379578588920cA78FbF26c0B4956C": {
+          "balance": "0ETH",
+          "code": "0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe03601600081602082378035828234f58015156039578182fd5b8082525050506014600cf3",
+          "storage": {},
+          "nonce": "1"
+        }
+      }