fix Dependabot alert 44

pyproject.toml

@@ -18,7 +18,7 @@ fastapi = ">=0.109.1"
 python-socketio = {extras = ["asyncio-client"], version = ">=5.10.0"} # version min: see https://github.com/zauberzeug/nicegui/issues/1809
 vbuild = ">=0.8.2"
 watchfiles = ">=0.18.1"
-jinja2 = "^3.1.5" # https://github.com/zauberzeug/nicegui/security/dependabot/43
+jinja2 = "^3.1.6" # https://github.com/zauberzeug/nicegui/security/dependabot/44
 python-multipart = ">=0.0.18"
 orjson = {version = ">=3.9.15", markers = "platform_machine != 'i386' and platform_machine != 'i686'"} # https://github.com/zauberzeug/nicegui/security/dependabot/29, orjson does not support 32bit
 itsdangerous = "^2.1.2"