Various changes in model

Added setenv permission to jenkins user in sudoenv.
Script approvals updated.
Added PARALLEL_NODES_GROUP_SIZE param to salt-models tests pipelines.

Change-Id: I010efb6237e4d555fc39062c3349936a2d8bd188
diff --git a/jenkins/slave/docker.yml b/jenkins/slave/docker.yml
index b1356f0..ea95e73 100644
--- a/jenkins/slave/docker.yml
+++ b/jenkins/slave/docker.yml
@@ -10,6 +10,7 @@
       sudo:
         users:
           jenkins:
+            setenv: true
             hosts:
             - ALL
             commands: