fix(docs): ensure version alias is in an array to prevent "you're not viewing the latest version" incorrect message (#2629)

Author: sthulb

.github/workflows/reusable_publish_docs.yml

@@ -120,7 +120,7 @@ jobs:
             s3://${{ secrets.AWS_DOCS_BUCKET }}/lambda-python/versions.json \
             versions_old.json
           jq 'del(.[].aliases[] | select(. == "${{ env.ALIAS }}"))' < versions_old.json > versions_proc.json
-          jq '. as $o | [{"title": "${{ env.VERSION }}", "version": "${{ env.VERSION }}", "aliases": "${{env.ALIAS}}" }] as $n | $n | if .[0].title | test("[a-z]+") or any($o[].title == "${{ env.VERSION }}";.) then $o else $n + $o end' < versions_proc.json > versions.json
+          jq '. as $o | [{"title": "${{ env.VERSION }}", "version": "${{ env.VERSION }}", "aliases": ["${{env.ALIAS}}"] }] as $n | $n | if .[0].title | test("[a-z]+") or any($o[].title == "${{ env.VERSION }}";.) then $o else $n + $o end' < versions_proc.json > versions.json
           aws s3 cp \
             versions.json \
             s3://${{ secrets.AWS_DOCS_BUCKET }}/lambda-python/versions.json