chore(deps): bump alpine from 3.20 to 3.21

Bumps alpine from 3.20 to 3.21.

---
updated-dependencies:
- dependency-name: alpine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Dockerfile

@@ -57,7 +57,7 @@ RUN --mount=type=cache,id=gomod,target=/go/pkg/mod \
 ENTRYPOINT ["go", "run", "-mod", "vendor", "cmd/vcluster/main.go", "start"]
 
 # we use alpine for easier debugging
-FROM alpine:3.20
+FROM alpine:3.21
 
 # install runtime dependencies
 RUN apk add --no-cache ca-certificates zstd tzdata

Dockerfile.cli

@@ -33,7 +33,7 @@ ENV GOCACHE=/.cache
 RUN CGO_ENABLED=0 GOOS=${TARGETOS} GOARCH=${TARGETARCH} GO111MODULE=on go build -mod vendor -tags embed_chart -o /vcluster cmd/vclusterctl/main.go
 
 # we use alpine for easier debugging
-FROM alpine:3.20
+FROM alpine:3.21
 # Set home to "/" in order to for kubectl to automatically pick up vcluster kube config
 ENV KUBECONFIG=/root/.kube/config
 COPY --from=builder /vcluster /usr/local/bin/vcluster

Dockerfile.cli.release

@@ -1,5 +1,5 @@
 # we use alpine for easier debugging
-FROM alpine:3.20
+FROM alpine:3.21
 
 ARG HELM_VERSION="v3.16.2"
 ARG TARGETARCH

Dockerfile.release

@@ -2,7 +2,7 @@ ARG KINE_VERSION="v0.13.5"
 FROM rancher/kine:${KINE_VERSION} AS kine
 
 # Build the manager binary
-FROM alpine:3.20 AS builder
+FROM alpine:3.21 AS builder
 
 WORKDIR /vcluster-dev
 
@@ -18,7 +18,7 @@ RUN apk add --no-cache curl
 RUN curl -s https://get.helm.sh/helm-${HELM_VERSION}-linux-${TARGETARCH}.tar.gz > helm3.tar.gz && tar -zxvf helm3.tar.gz linux-${TARGETARCH}/helm && chmod +x linux-${TARGETARCH}/helm && mv linux-${TARGETARCH}/helm /usr/local/bin/helm && rm helm3.tar.gz && rm -R linux-${TARGETARCH}
 
 # we use alpine for easier debugging
-FROM alpine:3.20
+FROM alpine:3.21
 
 # install runtime dependencies
 RUN apk add --no-cache ca-certificates zstd tzdata