Fix gcloud config directory

internal/p10k.zsh

@@ -4647,9 +4647,9 @@ _p9k_gcloud_prefetch() {
   # P9K_GCLOUD_PROJECT is deprecated; it's always equal to P9K_GCLOUD_PROJECT_ID
   unset P9K_GCLOUD_CONFIGURATION P9K_GCLOUD_ACCOUNT P9K_GCLOUD_PROJECT P9K_GCLOUD_PROJECT_ID P9K_GCLOUD_PROJECT_NAME
   (( $+commands[gcloud] )) || return
-  _p9k_read_word ~/.config/gcloud/active_config || return
+  _p9k_read_word ${CLOUDSDK_CONFIG:-~/.config/gcloud}/active_config || return
   P9K_GCLOUD_CONFIGURATION=$_p9k__ret
-  if ! _p9k_cache_stat_get $0 ~/.config/gcloud/configurations/config_$P9K_GCLOUD_CONFIGURATION; then
+  if ! _p9k_cache_stat_get $0 ${CLOUDSDK_CONFIG:-~/.config/gcloud}/configurations/config_$P9K_GCLOUD_CONFIGURATION; then
     local pair account project_id
     pair="$(gcloud config configurations describe $P9K_GCLOUD_CONFIGURATION \
       --format=$'value[separator="\1"](properties.core.account,properties.core.project)')"