Add git for storage of public keys and certs

Story: 2009221
Task: 47097

Change-Id: I07f75d20721445289d1360b9ab16518634b8c0b8
Signed-off-by: Scott Little <scott.little@windriver.com>

common.xml

@@ -4,6 +4,7 @@
 
   <project remote="starlingx"  name="root.git" path="cgcs-root"/>
 
+  <project remote="starlingx"  name="public-keys.git" path="cgcs-root/public-keys"/>
   <project remote="starlingx"  name="docs.git" path="cgcs-root/stx/docs"/>
   <project remote="starlingx"  name="test.git" path="cgcs-root/stx/test"/>
   <project remote="starlingx"  name="zuul-jobs.git" path="cgcs-root/stx/zuul-jobs"/>

default.xml

@@ -17,6 +17,8 @@
 
   <project remote="starlingx"  name="root.git" path="cgcs-root"/>
 
+  <project remote="starlingx"  name="public-keys.git" path="cgcs-root/public-keys"/>
+
   <project remote="starlingx"  name="ansible-playbooks.git" path="cgcs-root/stx/ansible-playbooks"/>
   <project remote="starlingx"  name="app-kubevirt.git" path="cgcs-root/stx/app-kubevirt"/>
   <project remote="starlingx"  name="audit-armada-app.git" path="cgcs-root/stx/audit-armada-app"/>

tox.ini

@@ -13,7 +13,9 @@ deps = -r{toxinidir}/test-requirements.txt
 
 [testenv:linters]
 basepython = python3
-whitelist_externals = bash
+allowlist_externals = bash
+                      find
+                      xargs
 commands =
   bash -c "find {toxinidir} \
             \( -name .tox -prune \) \
@@ -32,4 +34,4 @@ basepython = python3
 # Use same environment directory as venv to save space and install time
 envdir = {toxworkdir}/venv
 commands = true
-whitelist_externals = true
+allowlist_externals = true