set the default value of LINUX_NEON_ICON to a glyph that exists in the recommended font (#2553)

internal/icons.zsh

@@ -541,7 +541,7 @@ function _p9k_init_icons() {
         LINUX_ENDEAVOUROS_ICON         '\UF322'$s             # 
         LINUX_ROCKY_ICON               '\UF32B'$s             # 
         LINUX_GUIX_ICON                '\UF325'$s             # 
-        LINUX_NEON_ICON                '\UF331'$s             # 
+        LINUX_NEON_ICON                '\uF17C'               # 
         LINUX_ICON                     '\uF17C'               # 
         SUNOS_ICON                     '\uF185 '              # 
         HOME_ICON                      '\uF015'$s             # 
@@ -700,7 +700,7 @@ function _p9k_init_icons() {
         LINUX_ENDEAVOUROS_ICON         '\uF17C'               # 
         LINUX_ROCKY_ICON               '\uF17C'               # 
         LINUX_GUIX_ICON                '\uF325'$s             # 
-        LINUX_NEON_ICON                '\UF331'$s             # 
+        LINUX_NEON_ICON                '\uF17C'               # 
         LINUX_ICON                     '\uF17C'               # 
         SUNOS_ICON                     '\uF185 '              # 
         HOME_ICON                      '\uF015'$s             # 

internal/p10k.zsh

@@ -9458,7 +9458,7 @@ if [[ $__p9k_dump_file != $__p9k_instant_prompt_dump_file && -n $__p9k_instant_p
   zf_rm -f -- $__p9k_instant_prompt_dump_file{,.zwc} 2>/dev/null
 fi
 
-typeset -g P9K_VERSION=1.19.14
+typeset -g P9K_VERSION=1.19.15
 unset VSCODE_SHELL_INTEGRATION
 
 _p9k_init_ssh