Bump weaveworks/eksctl in /dockerfiles/eks-deployer

Bumps weaveworks/eksctl from v0.224.0 to v0.225.0.

---
updated-dependencies:
- dependency-name: weaveworks/eksctl
  dependency-version: v0.225.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

dockerfiles/eks-deployer/Dockerfile

@@ -3,7 +3,7 @@
 
 # For deploying an EKS cluster and setting it up to run our tests.
 
-FROM weaveworks/eksctl:v0.224.0 AS eksctl
+FROM weaveworks/eksctl:v0.225.0 AS eksctl
 FROM mikefarah/yq:4.52.4 AS yq
 FROM amazon/aws-cli:2.34.16
 RUN yum update -y && yum install -y jq perl-Digest-SHA openssl && yum clean all