fix: renovate (#35)

* chore: update renovate to not allow big-bang/base:8.4

* fix: docker regex match for zarf yaml to match only on images.

---------

Co-authored-by: Micah Nagel <micah.nagel@defenseunicorns.com>

renovate.json

@@ -70,7 +70,7 @@
     {
       "fileMatch": [".*\/?zarf\\.ya?ml$"],
       "matchStrings": [
-        "-\\s+['\"]?(?<depName>[^:]+):(?<currentValue>.*)['\"]?"
+        "- [\\'\"]?(?<depName>[^\"\\'\\s]+):(?<currentValue>[^\"\\'\\s]+)[\\'\"]?"
       ],
       "versioningTemplate": "{{#if versioning}}{{{versioning}}}{{else}}semver-coerced{{/if}}",
       "datasourceTemplate": "docker",
@@ -100,5 +100,11 @@
       ],
       "datasourceTemplate": "helm"
     }
+  ],
+    "packageRules": [
+    {
+      "matchPackageNames": ["registry1.dso.mil/ironbank/big-bang/base"],
+      "allowedVersions": "!/8.4/"
+    }
   ]
 }