Add `authorization`, `use`, `http`, and `openapi` calls to the DSL

**What would you like to be added**:
We are currently missing these calls from the `FuncDSL` and others. We should add it to avoid chaining consumers.

E.g.:

```java

// Do a post request
post("body").endpoint("http://localhost:8080").auth(basic("secret"))
```

**Why is this needed**:

To simplify workflow definition in the Java DSL.