fix(init): Change Elvish init to `catch` for 0.18 (#3769)

README.md

@@ -298,7 +298,7 @@ Add the following to the end of `~/.elvish/rc.elv`:
 eval (starship init elvish)
 ```
 
-Note: Only Elvish v0.17+ is supported
+Note: Only Elvish v0.18+ is supported
 
 </details>
 

docs/README.md

@@ -111,7 +111,7 @@ description: Starship is the minimal, blazing fast, and extremely customizable p
    #### Elvish
 
    ::: warning
-   Only elvish v0.17 or higher is supported.
+   Only elvish v0.18 or higher is supported.
    :::
 
    Add the following to the end of `~/.elvish/rc.elv`:

src/init/starship.elv

@@ -11,7 +11,7 @@ fn starship-after-command-hook {|m|
     } else {
         try {
             set cmd-status-code = $error[reason][exit-status]
-        } except {
+        } catch {
             # The error is from the built-in commands and they have no status code.
             set cmd-status-code = 1
         }