Fixes issue reported in https://github.com/quarkusio/quarkus/discussions/44664#discussioncomment-11369170

> In the reproducer */.json gets translated to the regex ./[^/]
.json, which doesn't match test.json because it needs at least one /.
> ...
> Now my understanding is that */.json is expected to match all json files (see [here](https://www.digitalocean.com/community/tools/glob?comments=true&glob=%2A%2A%2F%2A.js&matches=false&tests=test.js&tests=%2Ftest.js&tests=path%2Fto%2Ftest.js)), including test.json