feat(deploy): set timeout via label (!290)

Solves coop-cloud/organising#437

A timeout can be specified globally for a recipe using this label:
`coop-cloud.${STACK_NAME}.timeout=${TIMEOUT:-120}`. This sets the default timeout to 120s. An app specific timeout can be set using the env `TIMEOUT`.

Co-authored-by: Moritz <moritz.m@local-it.org>
Reviewed-on: coop-cloud/abra#290

cli/app/upgrade.go

@@ -201,6 +201,12 @@ recipes.
 			logrus.Fatal(err)
 		}
 
+		stack.WaitTimeout, err = config.GetTimeoutFromLabel(compose, stackName)
+		if err != nil {
+			logrus.Fatal(err)
+		}
+		logrus.Debugf("set waiting timeout to %d s", stack.WaitTimeout)
+
 		if err := stack.RunDeploy(cl, deployOpts, compose, stackName, internal.DontWaitConverge); err != nil {
 			logrus.Fatal(err)
 		}