Bug 1413462 - Add 'oc' to Firefox Nightly builds r=delphine

MozReview-Commit-ID: GVp2yEqTiAW

--HG--
extra : rebase_source : 03332cea45db47c89cb7f40b5c9610967105aaff

browser/locales/all-locales

@@ -71,6 +71,7 @@ nb-NO
 ne-NP
 nl
 nn-NO
+oc
 or
 pa-IN
 pl

browser/locales/l10n.toml

@@ -78,6 +78,7 @@ locales = [
     "ne-NP",
     "nl",
     "nn-NO",
+    "oc",
     "or",
     "pa-IN",
     "pl",