chore: simplify renovate config filematch

Signed-off-by: Devin Buhl <devin@buhl.casa>

.github/renovate.json5

@@ -22,30 +22,27 @@
   "schedule": ["on saturday"],
   "flux": {
     "fileMatch": [
-      "kubernetes/.+\\.ya?ml(\\.j2)?$",
-      "template/templates/kubernetes/.+\\.ya?ml(\\.j2)?$"
+      "(^|/)kubernetes/.+\\.ya?ml(\\.j2)?$"
     ]
   },
   "helm-values": {
     "fileMatch": [
-      "kubernetes/.+\\.ya?ml(\\.j2)?$",
-      "template/templates/kubernetes/.+\\.ya?ml(\\.j2)?$"
+      "(^|/)kubernetes/.+\\.ya?ml(\\.j2)?$"
     ]
   },
   "kubernetes": {
     "fileMatch": [
-      "ansible/.+\\.ya?ml(\\.j2)?$",
-      "kubernetes/.+\\.ya?ml(\\.j2)?$",
-      "template/templates/kubernetes/.+\\.ya?ml(\\.j2)?$"
+      "(^|/)ansible/.+\\.ya?ml(\\.j2)?$",
+      "(^|/)kubernetes/.+\\.ya?ml(\\.j2)?$",
+      "(^|/)kustomization\\.ya?ml(\\.j2)?$"
     ]
   },
   "regexManagers": [
     {
       "description": "Process various other dependencies",
       "fileMatch": [
-        "ansible/.+\\.ya?ml(\\.j2)?$",
-        "kubernetes/.+\\.ya?ml(\\.j2)?$",
-        "template/templates/kubernetes/.+\\.ya?ml(\\.j2)?$"
+        "(^|/)ansible/.+\\.ya?ml(\\.j2)?$",
+        "(^|/)kubernetes/.+\\.ya?ml(\\.j2)?$",
       ],
       "matchStrings": [
         "datasource=(?<datasource>\\S+) depName=(?<depName>\\S+)( registryUrl=(?<registryUrl>\\S+))?\n.*?\"(?<currentValue>.*)\"\n"