Updated fixes for Copilot reviews

Signed-off-by: hiren <20088337+hirenr@users.noreply.github.com>

Author: hirenr

examples/run-script-with-stdin-and-arguments.yaml

@@ -5,8 +5,6 @@ document:
   version: 1.0.0
 do:
   - runScript:
-      output: 
-        as: "${ fromjson }"
       run:
         script:
           language: javascript

examples/run-shell-stdin-and-arguments.yaml

@@ -1,7 +1,7 @@
 document:
   dsl: 1.0.2
   namespace: examples
-  name: run-script-with-stdin-and-arguments
+  name: run-shell-with-stdin-and-arguments
   version: 1.0.0
 do:
   - setInput:

schema/workflow.yaml

@@ -812,7 +812,7 @@ $defs:
                     stdin:
                       type: string
                       title: ContainerStdin
-                      description: A runtime expression, if any, passed as argv to the command or default container CMD
+                      description: A runtime expression, if any, passed as standard input (stdin) to the command or default container CMD
                     arguments:
                       type: array
                       title: ContainerArguments
@@ -847,7 +847,7 @@ $defs:
                       title: ScriptArguments
                       description: A list of the arguments, if any, to the script as argv
                       items:
-                        type: string                    
+                        type: string
                     environment:
                       type: object
                       title: ScriptEnvironment
@@ -894,7 +894,7 @@ $defs:
                       title: ShellArguments
                       description: A list of the arguments, if any, to the shell command as argv
                       items:
-                        type: string    
+                        type: string
                     environment:
                       type: object
                       title: ShellEnvironment