Merge pull request 'chore(deps): update plugins/docker docker tag to v20.18.4' (!103) from renovate/plugins-docker-20.x into main

Reviewed-on: #103

.drone.yml

@@ -27,7 +27,7 @@ steps:
       - npm install -g better-npm-audit
       - better-npm-audit audit --production --level=moderate
   - name: docker-dry-run
-    image: plugins/docker:20.18.3@sha256:5c54e77b6c5e6f75b7bbca1bcf0cf5a4a2e90e63b45dac4b4798a3ce14c72cc9
+    image: plugins/docker:20.18.4@sha256:a8d3d86853c721492213264815f1d00d3ed13f42f5c1855a02f47fa4d5f1e042
     settings:
       registry: git.wtf-eg.de
       repo: git.wtf-eg.de/kompetenzinventar/frontend
@@ -50,7 +50,7 @@ depends_on:
 
 steps:
   - name: docker-publish
-    image: plugins/docker:20.18.3@sha256:5c54e77b6c5e6f75b7bbca1bcf0cf5a4a2e90e63b45dac4b4798a3ce14c72cc9
+    image: plugins/docker:20.18.4@sha256:a8d3d86853c721492213264815f1d00d3ed13f42f5c1855a02f47fa4d5f1e042
     settings:
       registry: git.wtf-eg.de
       repo: git.wtf-eg.de/kompetenzinventar/frontend
@@ -106,7 +106,7 @@ steps:
       - npm ci
       - npm run lint
   - name: docker-publish
-    image: plugins/docker:20.18.3@sha256:5c54e77b6c5e6f75b7bbca1bcf0cf5a4a2e90e63b45dac4b4798a3ce14c72cc9
+    image: plugins/docker:20.18.4@sha256:a8d3d86853c721492213264815f1d00d3ed13f42f5c1855a02f47fa4d5f1e042
     settings:
       registry: git.wtf-eg.de
       repo: git.wtf-eg.de/kompetenzinventar/frontend