chore: readd correct subgraph endpoint

Author: kemuru

web/.env.devnet.public

@@ -1,6 +1,6 @@
 # Do not enter sensitive information here.
 export REACT_APP_DEPLOYMENT=devnet
-export REACT_APP_CORE_SUBGRAPH=https://api.studio.thegraph.com/query/44313/kleros-v2-test/version/latest
+export REACT_APP_CORE_SUBGRAPH=https://api.studio.thegraph.com/query/61738/kleros-v2-core-devnet/version/latest
 export REACT_APP_DRT_ARBSEPOLIA_SUBGRAPH=https://api.studio.thegraph.com/query/61738/kleros-v2-drt-arbisep-devnet/version/latest
 export REACT_APP_STATUS_URL=https://kleros-v2-devnet.betteruptime.com/badge
 export REACT_APP_GENESIS_BLOCK_ARBSEPOLIA=3084598