Pontoon/AMO: Update Frisian (fy-NL), Dutch (nl)

Co-authored-by: Mark Heijl <markh@babelzilla.org> (nl)
Co-authored-by: Google Translate <pontoon-gt@example.com> (nl)
Co-authored-by: Fjoerfoks <fryskefirefox@gmail.com> (fy-NL)

Author: mozilla-pontoon

locale/fy_NL/LC_MESSAGES/django.po

@@ -1291,11 +1291,11 @@ msgstr "Eigenskip {0} fan account {user} bywurke."
 #: src/olympia/constants/activity.py:1277
 #, python-brace-format
 msgid "{addon} listing content rejected."
-msgstr ""
+msgstr "Listynhâld fan {addon} ôfwezen."
 
 #: src/olympia/constants/activity.py:1278
 msgid "Listing content rejected"
-msgstr ""
+msgstr "Listynhâld ôfwezen"
 
 #: src/olympia/constants/applications.py:28 src/olympia/constants/categories.py:244
 msgid "Firefox"
@@ -1335,7 +1335,7 @@ msgstr "Wacht op beoardieling"
 
 #: src/olympia/constants/base.py:27
 msgid "Listing Content Rejected"
-msgstr ""
+msgstr "Listynhâld ôfwezen"
 
 #: src/olympia/constants/base.py:28 src/olympia/constants/base.py:35
 msgid "Disabled by Mozilla"

locale/nl/LC_MESSAGES/django.po

@@ -1294,7 +1294,7 @@ msgstr "Eigenschap {0} van account {user} bijgewerkt."
 #: src/olympia/constants/activity.py:1277
 #, python-brace-format
 msgid "{addon} listing content rejected."
-msgstr ""
+msgstr "Lijstinhoud van {addon} afgewezen."
 
 #: src/olympia/constants/activity.py:1278
 msgid "Listing content rejected"
@@ -3791,7 +3791,7 @@ msgstr "Uw add-on is uitgeschakeld door een websitebeheerder en wordt niet meer
 
 #: src/olympia/devhub/templates/devhub/includes/addon_details.html:32
 msgid "Your add-on listing was rejected. It is not listed in our gallery. Please address the reasons and reapply for review."
-msgstr ""
+msgstr "Uw add-onvermelding is afgewezen. Deze wordt niet vermeld in onze galerij. Verhelp de redenen en dien een nieuwe aanvraag voor beoordeling in."
 
 #: src/olympia/devhub/templates/devhub/includes/addon_details.html:35
 msgid "Your add-on won't be included in search results, and its listing page will indicate you disabled it. New version submissions for listing won't be accepted in this state."