Bump webargs from 7.0.1 to 8.0.0

Bumps [webargs](https://github.com/marshmallow-code/webargs) from 7.0.1 to 8.0.0.
- [Release notes](https://github.com/marshmallow-code/webargs/releases)
- [Changelog](https://github.com/marshmallow-code/webargs/blob/dev/CHANGELOG.rst)
- [Commits](marshmallow-code/webargs@7.0.1...8.0.0)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Author: dependabot-preview[bot]

poetry.lock

@@ -16,7 +16,7 @@ include = ["src/labthings/py.typed"]
 python = "^3.6"
 Flask = "^1.1.1"
 marshmallow = "^3.4.0"
-webargs = ">=6,<8"
+webargs = ">=6,<9"
 apispec = ">=3.2,<5.0"
 flask-cors = "^3.0.8"
 zeroconf = ">=0.24.5,<0.29.0"