docs: Unified input parameter names (#12797)

* Change the name

* Update op-challenger/README.md
Co-authored-by: smartcontracts <kelvinfichter@gmail.com>

---------
Co-authored-by: smartcontracts <kelvinfichter@gmail.com>

op-challenger/README.md

@@ -187,7 +187,7 @@ Prints the list of current claims in a dispute game.
 
 ```shell
 ./bin/op-challenger run-trace \
-  --network <PREDEFINED_NETWORK> \
+  --network=<NETWORK_NAME> \
   --l1-eth-rpc=<L1_ETH_RPC> \
   --l1-beacon=<L1_BEACON> \
   --l2-eth-rpc=<L2_ETH_RPC> \
@@ -197,7 +197,7 @@ Prints the list of current claims in a dispute game.
   --run=<RUN_CONFIG>
 ```
 
-* `PREDEFINED_NETWORK` - the name of a predefined L2 network.
+* `NETWORK_NAME` - the name of a predefined L2 network.
 * `L1_ETH_RPC` - the RPC endpoint of the L1 endpoint to use (e.g. `http://localhost:8545`).
 * `L1_BEACON` - the REST endpoint of the L1 beacon node to use (e.g. `http://localhost:5100`).
 * `L2_ETH_RPC` - the RPC endpoint of the L2 execution client to use