fix(start_argus.sh): Disable uwsgi dynamic app mode

Per https://uwsgi-docs.readthedocs.io/en/latest/FallbackConfig.html this
disables uWSGI "no app loaded" mode to prevent issues such as scylladb#534 from
occuring

Fixes scylladb#534

start_argus.sh

@@ -1,4 +1,4 @@
 #!/bin/bash
 export PATH="$HOME/.local/bin:$PATH"
 export CQLENG_ALLOW_SCHEMA_MANAGEMENT=1
-exec poetry run uwsgi --master --ini uwsgi.ini
+exec poetry run uwsgi --master --ini uwsgi.ini --need-app