Fix small error in config.toml

The wallet password environment variable mention changed from `TARI_WALLET_PASSWORD` to
`MINOTARI_WALLET_PASSWORD`.

common/config/presets/d_console_wallet.toml

@@ -23,7 +23,7 @@
 # Console wallet password. Should you wish to start your console wallet without typing in your password, the following
 # options are available:
 # 1. Start the console wallet with the --password=secret argument, or
-# 2. Set the environment variable TARI_WALLET_PASSWORD=secret before starting the console wallet, or
+# 2. Set the environment variable MINOTARI_WALLET_PASSWORD=secret before starting the console wallet, or
 # 3. Set the "password" key in this [wallet] section of the config
 # (default = )
 #password = "secret"