Contrail-go: linter out of memory

[Pawel Marchewka]

Linter may fail due to "fatal error: runtime: out of memory"

It looks like too many workers are active.

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/48102
Submitter: Pawel Marchewka (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Review in progress for https://review.opencontrail.org/48107
Submitter: Pawel Marchewka (<email address hidden>)

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/48107
Committed: http://github.com/Juniper/contrail/commit/355cbeb99a696063eb3f91a9650d1d198ad58878
Submitter: Zuul v3 CI (<email address hidden>)
Branch: master

commit 355cbeb99a696063eb3f91a9650d1d198ad58878
Author: Pawel Marchewka <email address hidden>
Date: Mon Dec 10 14:51:01 2018 +0100

Fix working kube-manager version

vnc_etcd patch cannot be applied on latest image

Change-Id: Id15df7bf431a4e618f9d73bac3f71f2d2f5652cc
Closes-Bug: #1807685

[OpenContrail Admin (ci-admin-f)]

Reviewed: https://review.opencontrail.org/48102
Committed: http://github.com/Juniper/contrail/commit/89f4253a06665643791e45ca5e065391d377d45f
Submitter: Zuul v3 CI (<email address hidden>)
Branch: master

commit 89f4253a06665643791e45ca5e065391d377d45f
Author: Pawel Marchewka <email address hidden>
Date: Mon Dec 10 11:15:53 2018 +0100

Reduce concurrency for linter

Too many concurrent workers can cause out-of-memory issues on CI nodes

Change-Id: I7d32f6b45747f28157c5cacb1e8021e196cceeee
Closes-bug: #1807685