[BUILD] Fetch artifacts required by cert-manager

Relevant docker images required by cert-manager got added to image
list file

Helm chart archive file http link got added to utils list

Change-Id: Iee7856b98edda501ab60e06f95426ce939d116d1
Issue-ID: OOM-2871
Signed-off-by: Bartek Grzybowski <b.grzybowski@partner.samsung.com>
diff --git a/build/package.py b/build/package.py
index a87f5a1..50e6d8c 100755
--- a/build/package.py
+++ b/build/package.py
@@ -247,7 +247,8 @@
                             '**/helm-*-linux-amd64.tar.gz',
                             '**/kubectl',
                             '**/helm-push_*_linux_amd64.tar.gz',
-                            '**/kube-prometheus-stack-*.tgz']
+                            '**/kube-prometheus-stack-*.tgz',
+                            '**/cert-manager-*.tgz']
 
         for pattern in bin_pattern_list:
             for bin_file in glob.glob(os.path.join('.', pattern), recursive=True):