chore: bump shellhub version to v0.20.1-rc.1

Author: gustavosbarreto

.env

@@ -2,7 +2,7 @@
 # This is in order to avoid conflict with upstream code when updating to a newer version
 
 # ShellHub version. 
-SHELLHUB_VERSION=v0.20.0
+SHELLHUB_VERSION=v0.20.1-rc.1
 
 # The default log level for ShellHub.
 # VALUES: https://pkg.go.dev/github.com/sirupsen/logrus#Level