Bug 1755291 - Correct 2.53.11 final release date. r=me

src/releases/index.en.html

@@ -5,7 +5,7 @@
 [%- mirrorred = false -%]
 [%- uselongversion = false -%]
 [%- usefulldetails = true -%]
-[%- releasedate = "December 28, 2021" -%]
+[%- releasedate = "March 3, 2022" -%]
 [%- betareleasedate = "February 24, 2022" -%]
 [%- srcsize = "275" -%]
 [%- l10nsrcsize = "13" -%]