ci: keep ariadne image builds on rpi5

Jenkinsfile

@@ -12,6 +12,7 @@ spec:
   nodeSelector:
     kubernetes.io/arch: arm64
     node-role.kubernetes.io/worker: "true"
+    hardware: rpi5
   affinity:
     nodeAffinity:
       requiredDuringSchedulingIgnoredDuringExecution:
@@ -20,6 +21,7 @@ spec:
               - key: kubernetes.io/hostname
                 operator: NotIn
                 values:
+                  - titan-04
                   - titan-06
       preferredDuringSchedulingIgnoredDuringExecution:
         - weight: 100
@@ -37,20 +39,6 @@ spec:
                   - titan-15
                   - titan-17
                   - titan-19
-        - weight: 85
-          preference:
-            matchExpressions:
-              - key: hardware
-                operator: In
-                values:
-                  - rpi5
-        - weight: 45
-          preference:
-            matchExpressions:
-              - key: hardware
-                operator: In
-                values:
-                  - rpi4
   topologySpreadConstraints:
     - maxSkew: 1
       topologyKey: kubernetes.io/hostname
@@ -63,6 +51,13 @@ spec:
   containers:
     - name: dind
       image: registry.bstein.dev/bstein/docker:27-dind
+      resources:
+        requests:
+          cpu: "500m"
+          memory: "512Mi"
+        limits:
+          cpu: "2000m"
+          memory: "2Gi"
       securityContext:
         privileged: true
       env:
@@ -78,6 +73,13 @@ spec:
           mountPath: /var/lib/docker
     - name: builder
       image: registry.bstein.dev/bstein/docker:27
+      resources:
+        requests:
+          cpu: "250m"
+          memory: "256Mi"
+        limits:
+          cpu: "1000m"
+          memory: "512Mi"
       command: ["cat"]
       tty: true
       env:
@@ -96,6 +98,13 @@ spec:
           mountPath: /docker-config
     - name: tester
       image: registry.bstein.dev/bstein/python:3.12-slim
+      resources:
+        requests:
+          cpu: "250m"
+          memory: "512Mi"
+        limits:
+          cpu: "1000m"
+          memory: "1Gi"
       command: ["cat"]
       tty: true
       volumeMounts:
@@ -103,6 +112,13 @@ spec:
           mountPath: /home/jenkins/agent
     - name: quality-tools
       image: registry.bstein.dev/bstein/quality-tools:sonar8.0.1-trivy0.70.0-db20260422-arm64
+      resources:
+        requests:
+          cpu: "500m"
+          memory: "512Mi"
+        limits:
+          cpu: "1500m"
+          memory: "2Gi"
       command: ["cat"]
       tty: true
       volumeMounts: