Fix paths for version check (#2816)

Fix updating the `version.json` file. Issue was relative path while it
must be absolute.

ref #2748

.woodpecker/docs.yml

@@ -75,8 +75,8 @@ steps:
       - git config --global user.name "woodpecker-bot"
       - git clone --depth 1 --single-branch git@github.com:woodpecker-ci/woodpecker-ci.github.io.git /repo
       # update latest and next version
-      - if [ "$CI_PIPELINE_EVENT" == "tag" ] ; then jq '.latest = ${CI_COMMIT_TAG}' repo/version.json > repo/version.json.tmp && mv repo/version.json.tmp repo/version.json ; fi
-      - if [ "$CI_PIPELINE_EVENT" == "push" ] ; then jq "next-" '.next = ${CI_COMMIT_SHA:0:10}' repo/version.json > repo/version.json.tmp && mv repo/version.json.tmp repo/version.json ; fi
+      - if [ "$CI_PIPELINE_EVENT" == "tag" ] ; then jq '.latest = ${CI_COMMIT_TAG}' /repo/version.json > /repo/version.json.tmp && mv /repo/version.json.tmp /repo/version.json ; fi
+      - if [ "$CI_PIPELINE_EVENT" == "push" ] ; then jq "next-" '.next = ${CI_COMMIT_SHA:0:10}' /repo/version.json > /repo/version.json.tmp && mv /repo/version.json.tmp /repo/version.json ; fi
       # copy all docs files and delete all old ones, but leave CNAME and index.yaml untouched
       - rsync -r --exclude .git --exclude CNAME --exclude index.yaml --exclude README.md --exclude version.json --delete docs/build/ /repo
       - cd /repo