chore(deps): update gcr.io/kaniko-project/executor docker tag to v1.2…

…1.0 (#1099)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

images/workstation/Dockerfile

@@ -152,7 +152,7 @@ RUN hugo completion fish > /etc/fish/completions/hugo.fish
 RUN curl -fsSL https://code-server.dev/install.sh | sh -s --
 
 # kaniko
-COPY --from=gcr.io/kaniko-project/executor:v1.20.1 /kaniko/executor /usr/bin/kaniko
+COPY --from=gcr.io/kaniko-project/executor:v1.21.0 /kaniko/executor /usr/bin/kaniko
 
 # etcdctl
 COPY --from=quay.io/coreos/etcd:v3.5.12 /usr/local/bin/etcdctl /usr/bin/etcdctl