Output license info when binaries are passed -version

Consolidate to outputting the licensing info when we pass -version to a binary,
i.e bitcoind -version:
```bash
itcoin Core version v22.99.0-fc1f355913f6-dirty
Copyright (C) 2009-2022 The Bitcoin Core developers

Please contribute if you find Bitcoin Core useful. Visit
<https://bitcoincore.org/> for further information about the software.
The source code is available from <https://github.com/bitcoin/bitcoin>.

This is experimental software.
Distributed under the MIT software license, see the accompanying file COPYING
or <https://opensource.org/licenses/MIT>
```

src/bitcoin-cli.cpp

@@ -133,7 +133,10 @@ static int AppInitRPC(int argc, char* argv[])
     }
     if (argc < 2 || HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
         std::string strUsage = PACKAGE_NAME " RPC client version " + FormatFullVersion() + "\n";
-        if (!gArgs.IsArgSet("-version")) {
+
+        if (gArgs.IsArgSet("-version")) {
+            strUsage += FormatParagraph(LicenseInfo());
+        } else {
             strUsage += "\n"
                 "Usage:  bitcoin-cli [options] <command> [params]  Send command to " PACKAGE_NAME "\n"
                 "or:     bitcoin-cli [options] -named <command> [name=value]...  Send command to " PACKAGE_NAME " (with named arguments)\n"