Add scanignore to allow publicsuffixes plaintext file from publicsuffix.org

metadata/com.kunzisoft.keepass.libre.yml

@@ -238,7 +238,16 @@ Builds:
     subdir: app
     gradle:
       - libre
-    ndk: r20b
+    scanignore:
+      - app/src/main/assets/publicsuffixes
+    ndk: r21d
+
+MaintainerNotes: |-
+    The file at `app/src/main/assets/publicsuffixes` is a version of the
+    [Public Suffix List](https://publicsuffix.org/) that has been sorted and
+    stripped of all comments. It is identified as a binary files because it
+    contains two 4-byte length fields, one right at the beginning, but is
+    otherwise plaintext.
 
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