Update base image and add utilities to kubectl image

Signed-off-by: Rayan Das <rayandas91@gmail.com>

build/dependencies.yaml

@@ -144,6 +144,8 @@ dependencies:
   - name: "registry.k8s.io/debian-base: dependents"
     version: bookworm-v1.0.0
     refPaths:
+    - path: build/server-image/kubectl/Dockerfile
+      match: FROM\s+registry\.k8s\.io\/build-image\/debian-base:[a-zA-Z]+\-v((([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)
     - path: cluster/images/etcd/Makefile
       match: BASEIMAGE\?\=registry\.k8s\.io\/build-image\/debian-base:[a-zA-Z]+\-v((([0-9]+)\.([0-9]+)\.([0-9]+)(?:-([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)(?:\+([0-9a-zA-Z-]+(?:\.[0-9a-zA-Z-]+)*))?)
     - path: cluster/images/etcd/Makefile

build/server-image/kubectl/Dockerfile

@@ -14,10 +14,21 @@
 
 # Dockerfile used for the kubectl image.
 
-ARG BASEIMAGE
 ARG BINARY
 
 
-FROM "${BASEIMAGE}"
+FROM registry.k8s.io/build-image/debian-base:bookworm-v1.0.0
 COPY ${BINARY} /bin/
+
+# Install additional utilities
+RUN apt update \
+    && apt install -y bash \
+                       grep \
+                       sed \
+                       gawk \
+                       coreutils \
+                       jq \
+                       diffutils \
+    && rm -rf /var/lib/apt/lists/*
+
 ENTRYPOINT ["/bin/kubectl"]