goerli to holesky rename (#297)

Signed-off-by: exe.cute <98374381+execute237@users.noreply.github.com>

Author: execute237

.env.example

@@ -21,7 +21,7 @@ CONSENSUS_ENDPOINTS=http://localhost:3500
 # METRICS_HOST=127.0.0.1
 # METRICS_PORT=9100
 
-# The network of the Vault. Choices are: mainnet, gnosis, goerli
+# The network of the Vault. Choices are: mainnet, gnosis, holesky
 # Default value will be taken from vault config
 # NETWORK=mainnet