Merge branch 'auth-fetch-exception' into 'develop'

HTTPSignaturePlug: Add :authorized_fetch_mode_exceptions

See merge request pleroma/pleroma!4007

config/description.exs

@@ -1816,6 +1816,12 @@ config :pleroma, :config_description, [
         type: :boolean,
         description: "Require HTTP signatures for AP fetches"
       },
+      %{
+        key: :authorized_fetch_mode_exceptions,
+        type: {:list, :string},
+        description:
+          "List of IPs (CIDR format accepted) to exempt from HTTP Signatures requirement (for example to allow debugging, you shouldn't otherwise need this)"
+      },
       %{
         key: :note_replies_output_limit,
         type: :integer,