Deprecate selfExe (#19660)

* Deprecate selfExe Nimscript

* Deprecate selfExe Nimscript

changelog.md

@@ -50,6 +50,8 @@ becomes an alias for `addr`.
 
 - Remove deprecated `osproc.poDemon`, symbol with typo.
 
+- Deprecated `selfExe` for Nimscript.
+
 
 ## Language changes
 

lib/system/nimscript.nim

@@ -136,9 +136,8 @@ proc dirExists*(dir: string): bool {.
   ## Checks if the directory `dir` exists.
   builtin
 
-proc selfExe*(): string =
+proc selfExe*(): string {.deprecated: "Deprecated since v1.7; Use getCurrentCompilerExe".} =
   ## Returns the currently running nim or nimble executable.
-  # TODO: consider making this as deprecated alias of `getCurrentCompilerExe`
   builtin
 
 proc toExe*(filename: string): string =