Update dynamic-file.yaml

Author: AAriam

pkg/src/controlman/_data/schema/def/dynamic-file.yaml

@@ -49,10 +49,10 @@ properties:
   type:
     summary: Format of the dynamic file.
     description: |
-      If `txt` is selected, the content will be written to the given file as is.
+      If `txt` or `exec` is selected, the content will be written to the given file as is.
       For other types, the content will be written in the specified format.
     type: string
-    enum: [ yaml, json, toml, md, txt ]
+    enum: [ yaml, json, toml, md, txt, exec ]
   path:
     summary: Path to write the output file.
     description: |