textproc/obsidian: Mark DEPRECATED

- Depends on upstream EOLed electron24 but there are more recent
  versions than the one which might support more recent versions of
  electron.
- Set EXPIRATION_DATE to 2023-12-04

Approved by:	portmgr (blanket)

textproc/obsidian/Makefile

@@ -27,6 +27,9 @@ LICENSE_NAME=	End User License Agreement
 LICENSE_TEXT=	See https://obsidian.md/terms
 LICENSE_PERMS=
 
+DEPRECATED=	Depends on upstream EOLed electron24
+EXPIRATION_DATE=	2023-12-04
+
 BUILD_DEPENDS=	electron${ELECTRON_VERSION}:devel/electron${ELECTRON_VERSION}
 RUN_DEPENDS=	electron${ELECTRON_VERSION}:devel/electron${ELECTRON_VERSION}