chore: Apply suggestions

Co-authored-by: Nick <10092581+NickLarsenNZ@users.noreply.github.com>

Author: Techassi

rust/stackable-cockpit/src/xfer/mod.rs

@@ -64,6 +64,7 @@ impl Client {
             .await
             .context(CacheSettingsSnafu)?;
 
+        // Some servers require this (eg: GitHub API)
         let client = reqwest::Client::builder()
             .user_agent("stackable-cockpit")
             .build()

rust/stackablectl/src/cli/mod.rs

@@ -55,7 +55,7 @@ pub enum Error {
     #[snafu(display("failed to execute debug (sub)command"))]
     Debug { source: debug::CmdError },
 
-    #[snafu(display("failed to execute self (sub)command"))]
+    #[snafu(display("failed to execute version (sub)command"))]
     Version { source: version::CmdError },
 
     #[snafu(display("failed to add Helm repositories"))]