Reno for tempest run CLI new arg and fix

This commit adds the reno for changes done in
below commits
-I440ab90f576e1ac333c7c40175ad6117d1299c04
-I90dfc15765057f876ebaf66abf5af24de0f675b9

Change-Id: I00ae901dc168cf0f7f7c24d5e9a46e5d6c911847
diff --git a/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml b/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml
new file mode 100644
index 0000000..265853d
--- /dev/null
+++ b/releasenotes/notes/tempest-run-fix-updates-564b41706decbba1.yaml
@@ -0,0 +1,9 @@
+---
+features:
+  - |
+    Adds a new CLI arg in tempest run, --black-regex, which is a regex to
+    exclude the tests that match it.
+fixes:
+  - |
+    Fixes tempest run CLI args mutually exclusive behavior which should not
+    be the case anymore (Bug#1751201).