fix: revert test app version to fix CI failures (#815)

## Description
Fix test app by using previous version of httpbin

## Type of change

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Other (security config, docs update, etc)

## Checklist before merging

- [ ] Test, docs, adr added or updated as needed
- [ ] [Contributor
Guide](https://github.com/defenseunicorns/uds-template-capability/blob/main/CONTRIBUTING.md)
followed

---------

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

src/test/app-admin.yaml

@@ -70,7 +70,7 @@ spec:
     spec:
       serviceAccountName: httpbin
       containers:
-        - image: docker.io/kong/httpbin
+        - image: docker.io/kong/httpbin:0.1.0
           imagePullPolicy: IfNotPresent
           name: httpbin
           resources:

src/test/app-authservice-tenant.yaml

@@ -70,7 +70,7 @@ spec:
     spec:
       serviceAccountName: httpbin
       containers:
-        - image: docker.io/kong/httpbin
+        - image: docker.io/kong/httpbin:0.1.0
           imagePullPolicy: IfNotPresent
           name: httpbin
           resources:

src/test/zarf.yaml

@@ -18,7 +18,7 @@ components:
         files:
           - "app-authservice-tenant.yaml"
     images:
-      - docker.io/kong/httpbin:latest
+      - docker.io/kong/httpbin:0.1.0
       - hashicorp/http-echo:latest
 
   - name: podinfo