Update anaconda root password needle

It seems like either the rendering of the emblem changed or the
background color did. Not sure why, but we definitely need the
new needle.

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

needles/anaconda/install_process/root_password-20250708.json

@@ -0,0 +1,17 @@
+{
+  "area": [
+    {
+      "type": "match",
+      "ypos": 486,
+      "height": 32,
+      "width": 33,
+      "xpos": 249
+    }
+  ],
+  "properties": [],
+  "tags": [
+    "anaconda_install_root_password",
+    "anaconda_main_hub_root_password",
+    "ENV-DISTRI-fedora"
+  ]
+}