Revert "ci: update to use ci-link-checker:2022.01.11"

This reverts commit 03c008c.

vuepress is now in maintenance mode and built with
[nodejs v14](https://github.com/vuejs/vuepress/blob/master/.github/workflows/pull-request-ci.yml#L13)

- for vuepress v1, https://github.com/vuejs/vuepress
- for vuepress v2, https://github.com/vuepress/vuepress-next
- announcement note, vuejs/vuepress#2744

.circleci/config.yml

@@ -29,7 +29,7 @@ jobs:
   website_link_check:
     docker:
       # This image's Dockerfile is at runatlantis.io/Dockerfile
-    - image: ghcr.io/runatlantis/ci-link-checker:2022.01.11
+    - image: ghcr.io/runatlantis/ci-link-checker:2021.06.22
     steps:
     - checkout
     - run: yarn install