Add upper-constraints needed by oom

See comment in https://gerrit.onap.org/r/c/oom/+/130716

Issue-ID: DOC-798

Signed-off-by: Cédric Ollivier <cedric.ollivier@orange.com>
Change-Id: I21a035b8c9d7503dc6e82606da3c5dc5a0ccc477
diff --git a/etc/upper-constraints.onap.txt b/etc/upper-constraints.onap.txt
index df853ac..1913e6c 100644
--- a/etc/upper-constraints.onap.txt
+++ b/etc/upper-constraints.onap.txt
@@ -4,3 +4,7 @@
 sphinxcontrib.nwdiag===2.0.0
 sphinxcontrib-swaggerdoc===0.1.7
 sphinx-rtd-theme===1.0.0
+autopep8==1.7.0
+gitlint-core==0.17.0
+pyenchant==3.2.2
+pylint==2.15.0