🌱 Update Cspo Image group

| datasource | package                  | from   | to     |
| ---------- | ------------------------ | ------ | ------ |
| docker     | docker.io/library/alpine | 3.20.3 | 3.21.1 |
| docker     | docker.io/library/golang | 1.23.3 | 1.23.4 |

images/cspo/Dockerfile

@@ -13,7 +13,7 @@
 # limitations under the License.
 
 # Build the manager binary
-FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.23.3-bullseye as build
+FROM --platform=${BUILDPLATFORM} docker.io/library/golang:1.23.4-bullseye as build
 ARG TARGETOS TARGETARCH
 
 COPY . /src/cluster-stack-provider-openstack
@@ -23,7 +23,7 @@ RUN --mount=type=cache,target=/root/.cache --mount=type=cache,target=/go/pkg \
     go build -mod=vendor -trimpath -ldflags "-s -w ${LDFLAGS} -extldflags '-static'" \
     -o manager cmd/main.go
 
-FROM --platform=${BUILDPLATFORM} docker.io/library/alpine:3.20.3
+FROM --platform=${BUILDPLATFORM} docker.io/library/alpine:3.21.1
 WORKDIR /
 COPY --from=build /src/cluster-stack-provider-openstack/manager .