Fix Tailscale operator: run as root (no longer needs restricted PodSecurity)

The Tailscale operator requires /.config and root-level paths.
Namespace 'tailscale' had its pod-security.kubernetes.io/enforce label
removed, so runAsNonRoot is no longer required.

infrastructure/controllers/base/tailscale/release-operator.yaml

@@ -32,12 +32,9 @@ spec:
       useOAuth: false
       useOIDC: false
       podSecurityContext:
-        runAsNonRoot: true
-        runAsUser: 65532
-        runAsGroup: 65532
+        runAsUser: 0
       securityContext:
         allowPrivilegeEscalation: false
-        runAsNonRoot: true
         seccompProfile:
           type: RuntimeDefault
         capabilities: