fix: improve Portuguese translations (#3889)

A more accurate ptBR translation for `Merged` is `Integrados`

Co-authored-by: Alexandr <qwerty541zxc@gmail.com>

src/translations.js

@@ -352,7 +352,7 @@ const statCardLocales = ({ name, apostrophe }) => {
       kr: "병합된 총 PR",
       nl: "Totaal samengevoegde PR's",
       "pt-pt": "Total de PRs Fundidos",
-      "pt-br": "Total de PRs Fundidos",
+      "pt-br": "Total de PRs Integrados",
       np: "कुल PRs मर्ज गरिएको",
       el: "Σύνολο Συγχωνευμένων PR",
       ru: "Всего объединённых запросов",
@@ -383,7 +383,7 @@ const statCardLocales = ({ name, apostrophe }) => {
       kr: "병합된 PR의 비율",
       nl: "Percentage samengevoegde PR's",
       "pt-pt": "Percentagem de PRs Fundidos",
-      "pt-br": "Porcentagem de PRs Fundidos",
+      "pt-br": "Porcentagem de PRs Integrados",
       np: "PR मर्ज गरिएको प्रतिशत",
       el: "Ποσοστό Συγχωνευμένων PR",
       ru: "Процент объединённых запросов",