chore(ct): sync sparkyfitness defaults with PocketBase (#14925)

Author: github-actions[bot]

ct/sparkyfitness.sh

@@ -9,7 +9,7 @@ APP="SparkyFitness"
 var_tags="${var_tags:-health;fitness}"
 var_cpu="${var_cpu:-2}"
 var_ram="${var_ram:-2048}"
-var_disk="${var_disk:-4}"
+var_disk="${var_disk:-7}"
 var_os="${var_os:-debian}"
 var_version="${var_version:-13}"
 var_arm64="${var_arm64:-no}"