Update anaconda network spoke IPv4 needle for GTK+ change

See https://gitlab.gnome.org/GNOME/gtk/-/issues/2652 . I thought
this was a bug at first but apparently not...

Signed-off-by: Adam Williamson <awilliam@redhat.com>

needles/anaconda/network/ipv4-20200722.json

@@ -0,0 +1,15 @@
+{
+  "area": [
+    {
+      "width": 89,
+      "ypos": 205,
+      "type": "match",
+      "xpos": 626,
+      "height": 17
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "anaconda_network_ipv4"
+  ]
+}