fix: increase CPU and memory limits to reduce throttling

Sustained 27-43% CPU throttling observed in prod. The 200m CPU limit
is insufficient for the Astro SSR workload (mermaid rendering, auth,
postgres). Bumping limits to 500m CPU / 250Mi memory.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: felixwidjaja

config/base/deployment.yaml

@@ -40,11 +40,11 @@ spec:
               value: https://www.milo-os.com/
           resources:
             requests:
-              cpu: 100m
-              memory: 100Mi
+              cpu: 250m
+              memory: 150Mi
             limits:
-              cpu: 200m
-              memory: 200Mi
+              cpu: 500m
+              memory: 250Mi
           livenessProbe:
             failureThreshold: 3
             initialDelaySeconds: 5