Update ghcr.io/code0-tech/build-images/telescopium-lint Docker tag to v315

Author: renovate[bot]

.gitlab-ci.yml

@@ -31,15 +31,15 @@ build:
 
 lint-links:
   stage: lint
-  image: ghcr.io/code0-tech/build-images/telescopium-lint:307.1
+  image: ghcr.io/code0-tech/build-images/telescopium-lint:315.1
   needs: []
   script:
     - ./clone_projects.sh
     - lychee --offline --no-progress --include-fragments --no-ignore content
 
 lint-markdown:
   stage: lint
-  image: ghcr.io/code0-tech/build-images/telescopium-lint:307.1
+  image: ghcr.io/code0-tech/build-images/telescopium-lint:315.1
   needs: []
   script:
     - ./clone_projects.sh