build(deps): bump alpine from 8a1f59f to 4bcff63 in /packaging (zalando#3560)

Bumps alpine from `8a1f59f` to `4bcff63`.


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Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

packaging/Dockerfile.arm64

@@ -1,4 +1,4 @@
-FROM --platform=linux/arm64 alpine@sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715
+FROM --platform=linux/arm64 alpine@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1
 LABEL maintainer="Team Gateway&Proxy @ Zalando SE <[email protected]>"
 RUN apk --no-cache add ca-certificates && update-ca-certificates
 ADD build/linux/arm64/skipper \

packaging/Dockerfile.armv7

@@ -1,4 +1,4 @@
-FROM --platform=linux/arm/v7 alpine@sha256:8a1f59ffb675680d47db6337b49d22281a139e9d709335b492be023728e11715
+FROM --platform=linux/arm/v7 alpine@sha256:4bcff63911fcb4448bd4fdacec207030997caf25e9bea4045fa6c8c44de311d1
 LABEL maintainer="Team Gateway&Proxy @ Zalando SE <[email protected]>"
 RUN apk --no-cache add ca-certificates && update-ca-certificates
 ADD build/linux/arm/v7/skipper \