Fix 2022 Performance typo [en] (#3318)

Author: tchouprine

src/content/en/2022/performance.md

@@ -13,7 +13,7 @@ featured_quote: These results show that sites absolutely do have responsiveness
 featured_stat_1: 39%
 featured_stat_label_1: LCP images that are not statically discoverable
 featured_stat_2: 22%
-featured_stat_label_2: Pages that are ineligible for bfache due to `no-store`
+featured_stat_label_2: Pages that are ineligible for bfcache due to `no-store`
 featured_stat_3: 20%
 featured_stat_label_3: Top 1k websites that would have good CWV with INP
 ---