feat(coprocessor): implement additional stress-test scenarios

- add Transaction::ERC7984Transfer
- add a simplified variant of the auction::submitEncryptedBids
- add sample json data files

Author: goshawk-3

coprocessor/fhevm-engine/stress-test-generator/data/json/batch_allow_handles.json

@@ -0,0 +1,18 @@
+[
+    {
+        "transaction": "BatchAllowHandles",
+        "kind": "Rate",
+        "variant": "NoCMUX",
+        "inputs": "NA",
+        "is_dependent": "Independent",
+        "contract_address": "0xa5880e99d86F081E8D3868A8C4732C8f65dfdB08",
+        "user_address": "0xa0534e99d86F081E8D3868A8C4732C8f65dfdB07",
+        "batch_size": 400,
+        "scenario": [
+            [
+                1.0,
+                600
+            ]
+        ]
+    }
+]

coprocessor/fhevm-engine/stress-test-generator/data/json/batch_bids_auction.json

@@ -0,0 +1,18 @@
+[
+    {
+        "transaction": "BatchSubmitEncryptedBids",
+        "kind": "Rate",
+        "variant": "NoCMUX",
+        "inputs": "ReuseInputs",
+        "is_dependent": "Independent",
+        "contract_address": "0xa5880e99d86F081E8D3868A8C4732C8f65dfdB08",
+        "user_address": "0xa0534e99d86F081E8D3868A8C4732C8f65dfdB07",
+        "batch_size": 1,
+        "scenario": [
+            [
+                1.0,
+                1
+            ]
+        ]
+    }
+]

coprocessor/fhevm-engine/stress-test-generator/data/json/minitest_002_erc20.json

@@ -9,8 +9,8 @@
         "user_address": "0xa0534e99d86F081E8D3868A8C4732C8f65dfdB07",
         "scenario": [
             [
-                20.0,
-                120
+                1.0,
+                1
             ]
         ]
     }