Ensure "axe-*" is a member of the "testing" group, as it's only used for e2e tests

Author: tdonohue

.github/dependabot.yml

@@ -72,6 +72,7 @@ updates:
         applies-to: version-updates
         patterns:
         - "@cypress*"
+        - "axe-*"
         - "cypress*"
         - "jasmine*"
         - "karma*"
@@ -84,6 +85,7 @@ updates:
         applies-to: security-updates
         patterns:
         - "@cypress*"
+        - "axe-*"
         - "cypress*"
         - "jasmine*"
         - "karma*"
@@ -185,6 +187,7 @@ updates:
         applies-to: version-updates
         patterns:
         - "@cypress*"
+        - "axe-*"
         - "cypress*"
         - "jasmine*"
         - "karma*"
@@ -262,6 +265,7 @@ updates:
         applies-to: version-updates
         patterns:
         - "@cypress*"
+        - "axe-*"
         - "cypress*"
         - "jasmine*"
         - "karma*"