New release: cardano-signer 1.15.2

* General

   - bugfix: the parameter `--mainnet` was not recognized and caused an error for the `sign --cip36` process

src/cardano-signer.js

@@ -1,6 +1,6 @@
 //define name and version
 const appname = "cardano-signer"
-const version = "1.15.1"
+const version = "1.15.2"
 
 //external dependencies
 const CardanoWasm = require("@emurgo/cardano-serialization-lib-nodejs")
@@ -15,7 +15,7 @@ const crypto = require('crypto'); //used for crypto functions like entropy gener
 
 //set the options for the command-line arguments. needed so that arguments like data-hex="001122" are not parsed as numbers
 const parse_options = {
-	string: ['secret-key', 'public-key', 'signature', 'address', 'rewards-address', 'payment-address', 'vote-public-key', 'data', 'data-hex', 'data-file', 'out-file', 'out-cbor', 'out-skey', 'out-vkey', 'cose-sign1', 'cose-key', 'mnemonics', 'path', 'testnet-magic'],
+	string: ['secret-key', 'public-key', 'signature', 'address', 'rewards-address', 'payment-address', 'vote-public-key', 'data', 'data-hex', 'data-file', 'out-file', 'out-cbor', 'out-skey', 'out-vkey', 'cose-sign1', 'cose-key', 'mnemonics', 'path', 'testnet-magic', 'mainnet'],
 	boolean: ['help', 'version', 'usage', 'json', 'json-extended', 'cip8', 'cip30', 'cip36', 'deregister', 'jcli', 'bech', 'hashed', 'nopayload', 'vkey-extended'], //all booleans are set to false per default
 	//adding some aliases so users can also use variants of the original parameters. for example using --signing-key instead of --secret-key
 	alias: { 'deregister': 'deregistration', 'cip36': 'cip-36', 'cip8': 'cip-8', 'cip30': 'cip-30', 'secret-key': 'signing-key', 'public-key': 'verification-key', 'rewards-address': 'reward-address', 'data': 'data-text', 'jcli' : 'bech', 'mnemonic': 'mnemonics', 'vkey-extended': 'with-chain-code' },

src/package.json

@@ -1,6 +1,6 @@
 {
   "name": "cardano-signer",
-  "version": "1.15.1",
+  "version": "1.15.2",
   "description": "cardano-signer signs a given data(hex/text/file) with a signing key(hex/bech/file) or verify the signature via a public key(hex/bech/file). it can also produce a cip-8/cip-30/cip-36 conform payload signing/verification. can produce ed25519 keys from mnemonic for payment, staking, drep, constitutional commitee cold/hot keys, etc...",
   "main": "cardano-signer.js",
   "scripts": {