allscenarios-linux-blueprint-dashboard.conf: Use python3-pymetno 0.7.0

HomeAssistant depends on this version through its met component. The old
0.5.X version is don't working with the new v2 API.

Signed-off-by: Andrei Gherzan <andrei.gherzan@huawei.com>

meta-ohos-blueprints/conf/distro/allscenarios-linux-blueprint-dashboard.conf

@@ -7,6 +7,8 @@
 require conf/distro/allscenarios-linux.conf
 include conf/distro/include/ha-versions.inc
 
+PREFERRED_VERSION_python3-pymetno = "0.7.0"
+
 DISTRO = "allscenarios-linux-blueprint-dashboard"
 DISTRO_NAME = "AllScenariOS Dashboard Blueprint Linux Distro"