Add missing URL path segment

The path for tags in the api is either `/repos/:owner/:repo/tags` or `/repos/:owner/:repo/git/refs/tags`, and I think you were looking for the former.
Doesn't qulice complain here? `container` reference should be on new line, something like this:
```java
            MatcherAssert.assertThat(
                container.take().uri().toString()
                    .replace(container.home().toString(), "/"),
                Matchers.equalTo("/repos/jeff/test/git/refs/tags/abdes00test")
            );
```