Bump distroless/static from 87bce11 to 4b2a093 in /docker (#1846)

Bumps distroless/static from `87bce11` to `4b2a093`.


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docker/controller.Dockerfile

@@ -1,4 +1,4 @@
-FROM gcr.io/distroless/static@sha256:87bce11be0af225e4ca761c40babb06d6d559f5767fbf7dc3c47f0f1a466b92c
+FROM gcr.io/distroless/static@sha256:4b2a093ef4649bccd586625090a3c668b254cfe180dee54f4c94f3e9bd7e381e
 LABEL maintainer "Sealed Secrets <sealed-secrets.pdl@broadcom.com>"
 
 USER 1001

docker/kubeseal.Dockerfile

@@ -1,4 +1,4 @@
-FROM gcr.io/distroless/static@sha256:87bce11be0af225e4ca761c40babb06d6d559f5767fbf7dc3c47f0f1a466b92c
+FROM gcr.io/distroless/static@sha256:4b2a093ef4649bccd586625090a3c668b254cfe180dee54f4c94f3e9bd7e381e
 LABEL maintainer "Sealed Secrets <sealed-secrets.pdl@broadcom.com>"
 
 USER 1001