add version to favicon (#1460)

* add version to favicon

* add key version

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Co-authored-by: Fred Lefévère-Laoide <Fred.Lefevere-Laoide@Taipy.io>

taipy/gui/server.py

@@ -169,7 +169,7 @@ class _Server:
                     return render_template(
                         "index.html",
                         title=title,
-                        favicon=favicon,
+                        favicon=f"{favicon}?version={version}",
                         root_margin=root_margin,
                         watermark=watermark,
                         config=client_config,