Change the funding url utm parameter

Author: wmontwe

app-k9mail/src/main/res/values/constants.xml

@@ -2,6 +2,6 @@
 <resources>
     <string name="app_webpage_url" translatable="false">https://k9mail.app/</string>
     <string name="user_forum_url" translatable="false">https://forum.k9mail.app/</string>
-    <string name="funding_url" translatable="false">https://www.thunderbird.net/donate/mobile/?form=k9mail&amp;utm_source=%s&amp;utm_medium=android_app&amp;utm_campaign=inapp_appeal_v1</string>
+    <string name="funding_url" translatable="false">https://www.thunderbird.net/donate/mobile/?form=k9mail&amp;utm_source=%s&amp;utm_medium=android_app&amp;utm_campaign=inapp_appeal_v2</string>
     <string name="message_header_mua" translatable="false">K-9 Mail for Android</string>
 </resources>

legacy/ui/legacy/src/main/res/values/constants.xml

@@ -2,7 +2,7 @@
 <resources>
     <string name="app_webpage_url" translatable="false">https://www.thunderbird.net/mobile</string>
     <string name="user_forum_url" translatable="false">https://support.mozilla.org/products/thunderbird-android</string>
-    <string name="funding_url" translatable="false">https://www.thunderbird.net/donate/mobile/?form=tfa&amp;utm_source=%s&amp;utm_medium=android_app&amp;utm_campaign=inapp_appeal_v1</string>
+    <string name="funding_url" translatable="false">https://www.thunderbird.net/donate/mobile/?form=tfa&amp;utm_source=%s&amp;utm_medium=android_app&amp;utm_campaign=inapp_appeal_v2</string>
     <string name="message_header_mua" translatable="false">Thunderbird for Android</string>
     <string name="app_authors_url" translatable="false">https://github.com/thunderbird/thunderbird-android/graphs/contributors</string>
     <string name="app_source_url" translatable="false">https://github.com/thunderbird/thunderbird-android</string>