feature(client-cli): add print of the version at each command execution

Author: Clément Turmel

mithril-client-cli/src/main.rs

@@ -90,11 +90,9 @@ pub struct Args {
 
 impl Args {
     pub async fn execute(&self, root_logger: Logger) -> MithrilResult<()> {
-        debug!(
-            root_logger,
-            "Mithril client CLI version: {}",
-            env!("CARGO_PKG_VERSION")
-        );
+        let version_message = format!("Mithril Client CLI version: {}", env!("CARGO_PKG_VERSION"));
+        eprintln!("{version_message}");
+        debug!(root_logger, "{version_message}");
         debug!(root_logger, "Run Mode: {}", self.run_mode);
         let filename = format!("{}/{}.json", self.config_directory.display(), self.run_mode);
         debug!(root_logger, "Reading configuration file '{filename}'.");