Bump amazon/aws-cli from 2.37.13 to 2.39.3 in /dockerfiles/eks-deployer

Bumps amazon/aws-cli from 2.37.13 to 2.39.3.

---
updated-dependencies:
- dependency-name: amazon/aws-cli
  dependency-version: 2.39.3
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

dockerfiles/eks-deployer/Dockerfile

@@ -5,7 +5,7 @@
 
 FROM weaveworks/eksctl:v0.225.0 AS eksctl
 FROM mikefarah/yq:4.54.1 AS yq
-FROM amazon/aws-cli:2.37.13
+FROM amazon/aws-cli:2.39.3
 RUN yum update -y && yum install -y jq perl-Digest-SHA openssl && yum clean all
 COPY --from=eksctl eksctl /usr/local/bin/eksctl
 COPY --from=yq /usr/bin/yq /usr/local/bin/yq