ci(lesavka): allow arm64 worker fallback for daily tests

Jenkinsfile

@@ -12,7 +12,6 @@ spec:
     fsGroup: 1000
     fsGroupChangePolicy: OnRootMismatch
   nodeSelector:
-    hardware: rpi5
     kubernetes.io/arch: arm64
     node-role.kubernetes.io/worker: "true"
   affinity:
@@ -24,7 +23,9 @@ spec:
                 operator: NotIn
                 values:
                   - titan-04
+                  - titan-06
                   - titan-11
+                  - titan-14
       preferredDuringSchedulingIgnoredDuringExecution:
         - weight: 100
           preference:
@@ -35,6 +36,16 @@ spec:
                   - titan-05
                   - titan-07
                   - titan-08
+        - weight: 90
+          preference:
+            matchExpressions:
+              - key: kubernetes.io/hostname
+                operator: NotIn
+                values:
+                  - titan-13
+                  - titan-15
+                  - titan-17
+                  - titan-19
   containers:
     - name: rust-ci
       image: registry.bstein.dev/bstein/lesavka-ci@sha256:699ff0a2b4461f8627fcc19353eae0dee49500486eb1819287b5713ad239c13f