pin k8s-cache image version

Author: NimrodAvni78

charts/opentelemetry-ebpf-instrumentation/values.yaml

@@ -305,7 +305,7 @@ k8sCache:
     # TODO remove k8s cache?
     repository: grafana/beyla-k8s-cache
     # -- (string) K8s Cache image tag. When empty, the Chart's appVersion is used.
-    tag: null
+    tag: 2.2.4
     # -- K8s Cache image's SHA256 digest (either in format "sha256:XYZ" or "XYZ"). When set, will override `image.tag`.
     digest: null
     # -- K8s Cache image pull policy.