pyproject.toml: add laa optional dependency

Add laam as an optional dependency under the [laa] extra so users
can install it with pip install labgrid[laa].

Signed-off-by: Anders Roxell <anders.roxell@linaro.org>

Author: roxell

pyproject.toml

@@ -62,6 +62,7 @@ doc = [
 docker = ["docker>=5.0.2"]
 graph = ["graphviz>=0.17.0"]
 kasa = ["python-kasa>=0.7.0"]
+laa = ["laam"]
 modbus = ["pyModbusTCP>=0.2.0"]
 modbusrtu = ["minimalmodbus>=1.0.2"]
 mqtt = ["paho-mqtt>=2.0.0"]