update agent test marker in regression matrix (#7863)

Author: vepatel

.github/data/matrix-regression.json

@@ -12,15 +12,15 @@
       "label": "regression",
       "image": "debian-plus",
       "type": "plus",
-      "marker": "'not upgrade and not agent'",
+      "marker": "'not upgrade and not agentv2'",
       "platforms": "linux/arm64, linux/amd64"
     },
     {
       "label": "regression",
       "image": "debian-plus-nap",
       "type": "plus",
       "nap_modules": "waf",
-      "marker": "'appprotect or agent'",
+      "marker": "'appprotect or agentv2'",
       "platforms": "linux/arm64, linux/amd64"
     },
     {