Merge pull request #359 from hedgedoc/renovate/node-16.17.1-alpine

Update Node.js to 4d68856

alpine/Dockerfile

-FROM node:16.17.1-alpine@sha256:7584b116f368d94fab2ecc21ebbcfd5434a3427c2f96f846972821b5ad0266fc AS base
+FROM node:16.17.1-alpine@sha256:4d68856f48be7c73cd83ba8af3b6bae98f4679e14d1ff49e164625ae8831533a AS base
 
 FROM base AS builder
 # Build arguments to change source url, branch or tag