Upgrade BTCPay Server to 2.4.7 and NBXplorer to 2.6.21

BTCPay Server 2.4.7 is the latest release and a security release (fixes 85 findings, incl. 1 critical and 13 high severity). NBXplorer is bumped to 2.6.21 to match the version shipped with BTCPay 2.4.7.

site-cookbooks/kosmos-bitcoin/attributes/default.rb

@@ -88,7 +88,7 @@ node.default['lndhub-go']['branding'] = {
 }
 
 node.default['nbxplorer']['repo'] = 'https://github.com/dgarage/NBXplorer'
-node.default['nbxplorer']['revision'] = 'v2.6.10'
+node.default['nbxplorer']['revision'] = 'v2.6.21'
 node.default['nbxplorer']['source_dir'] = '/opt/nbxplorer'
 node.default['nbxplorer']['config_path'] = "/home/#{node['bitcoin']['username']}/.nbxplorer/Main/settings.config"
 node.default['nbxplorer']['port'] = '24445'
@@ -96,7 +96,7 @@ node.default['nbxplorer']['postgres']['database'] = 'nbxplorer'
 node.default['nbxplorer']['postgres']['user'] = 'nbxplorer'
 
 node.default['btcpay']['repo'] = 'https://github.com/btcpayserver/btcpayserver'
-node.default['btcpay']['revision'] = 'v2.4.3'
+node.default['btcpay']['revision'] = 'v2.4.7'
 node.default['btcpay']['source_dir'] = '/opt/btcpay'
 node.default['btcpay']['config_path'] = "/home/#{node['bitcoin']['username']}/.btcpayserver/Main/settings.config"
 node.default['btcpay']['log_path'] = "/home/#{node['bitcoin']['username']}/.btcpayserver/debug.log"