Chore(deps): Bump node from 21.2.0-alpine to 21.3.0-alpine (#409)

Bumps node from 21.2.0-alpine to 21.3.0-alpine.

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

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: andy Augustin <AndreasAugustin@users.noreply.github.com>

Dockerfile

@@ -30,7 +30,7 @@ WORKDIR /app
 #######################################
 # image for creating the documentation
 ######################################
-FROM node:21.2.0-alpine as docs
+FROM node:21.3.0-alpine as docs
 
 # install packages
 RUN apk add --update --no-cache bash make git zsh curl tmux