fix the UNICODE code point for powerline "branch" icon in comments (#1911)

config/p10k-classic.zsh

@@ -341,7 +341,7 @@
   # typeset -g POWERLEVEL9K_DIR_PREFIX='%248Fin '
 
   #####################################[ vcs: git status ]######################################
-  # Branch icon. Set this parameter to '\uF126 ' for the popular Powerline branch icon.
+  # Branch icon. Set this parameter to '\UE0A0 ' for the popular Powerline branch icon.
   typeset -g POWERLEVEL9K_VCS_BRANCH_ICON=
 
   # Untracked files icon. It's really a question mark, your font isn't broken.

config/p10k-lean-8colors.zsh

@@ -339,7 +339,7 @@
   # typeset -g POWERLEVEL9K_DIR_PREFIX='%fin '
 
   #####################################[ vcs: git status ]######################################
-  # Branch icon. Set this parameter to '\uF126 ' for the popular Powerline branch icon.
+  # Branch icon. Set this parameter to '\UE0A0 ' for the popular Powerline branch icon.
   typeset -g POWERLEVEL9K_VCS_BRANCH_ICON=
 
   # Untracked files icon. It's really a question mark, your font isn't broken.

config/p10k-lean.zsh

@@ -335,7 +335,7 @@
   # typeset -g POWERLEVEL9K_DIR_PREFIX='%fin '
 
   #####################################[ vcs: git status ]######################################
-  # Branch icon. Set this parameter to '\uF126 ' for the popular Powerline branch icon.
+  # Branch icon. Set this parameter to '\UE0A0 ' for the popular Powerline branch icon.
   typeset -g POWERLEVEL9K_VCS_BRANCH_ICON=
 
   # Untracked files icon. It's really a question mark, your font isn't broken.

config/p10k-rainbow.zsh

@@ -351,7 +351,7 @@
   typeset -g POWERLEVEL9K_VCS_CONFLICTED_BACKGROUND=3
   typeset -g POWERLEVEL9K_VCS_LOADING_BACKGROUND=8
 
-  # Branch icon. Set this parameter to '\uF126 ' for the popular Powerline branch icon.
+  # Branch icon. Set this parameter to '\UE0A0 ' for the popular Powerline branch icon.
   typeset -g POWERLEVEL9K_VCS_BRANCH_ICON=
 
   # Untracked files icon. It's really a question mark, your font isn't broken.