Pontoon/AMO Frontend: Update Spanish (Argentina) (es-AR)

Co-authored-by: Marcelo Poli <[email protected]> (es-AR)

Author: mozilla-pontoon

locale/es_AR/LC_MESSAGES/amo.po

@@ -630,7 +630,7 @@ msgstr "Cerrar sesión"
 
 #: src/amo/components/AuthenticateButton/index.js:93
 msgid "Log in"
-msgstr "Iniciar sesióni"
+msgstr "Iniciar sesión"
 
 #: src/amo/components/AuthenticateButton/index.js:96 src/amo/components/Header/index.js:146
 msgid "This action is currently unavailable. Please reload the page in a moment."