feat(history-substring-search): update to upstream (#12164)

plugins/history-substring-search/history-substring-search.plugin.zsh

@@ -1,9 +1,5 @@
-# Handle $0 according to the standard:
-# https://zdharma-continuum.github.io/Zsh-100-Commits-Club/Zsh-Plugin-Standard.html
-0="${${ZERO:-${0:#$ZSH_ARGZERO}}:-${(%):-%N}}"
-0="${${(M)0:#/*}:-$PWD/$0}"
-
-source ${0:A:h}/history-substring-search.zsh
+0=${(%):-%N}
+source ${0:A:h}/zsh-history-substring-search.zsh
 
 
 # Bind terminal-specific up and down keys