ephemery genesis - cancun and prague blob config update (#8292)

Signed-off-by: gconnect <agatevureglory@gmail.com>
Co-authored-by: Sally MacFarlane <macfarla.github@gmail.com>

config/src/main/resources/ephemery.json

@@ -17,6 +17,18 @@
     "shanghaiTime": 0,
     "cancunTime": 0,
     "depositContractAddress": "0x4242424242424242424242424242424242424242",
+    "blobSchedule": {
+      "cancun": {
+        "target": 3,
+        "max": 6,
+        "baseFeeUpdateFraction": 3338477
+      },
+      "prague": {
+        "target": 6,
+        "max": 9,
+        "baseFeeUpdateFraction": 5007716
+      }
+    },
     "ethash" : {},
     "discovery" : {
       "bootnodes" : [