### Is there an existing issue for this?

- [X] I have searched the existing issues

### Feature description

Currently, the default port range for external services is configured in `config.py` as follows:
https://github.com/localstack/localstack/blob/075a6fcfcc29af99e1997d73abea6e88351f3c84/localstack/config.py#L462-L472
This means that the default service range is: (4510,4540]
But the example `docker-compose.yml` states (4510, 4530):
https://github.com/localstack/localstack/blob/075a6fcfcc29af99e1997d73abea6e88351f3c84/docker-compose.yml#L12

The currently stated 20 ports can already be somewhat limiting if a lot of external services are started (f.e. lots of clusters or databases). Therefore the range should be broadened and correctly defined in our example `docker-compose.yml` file.

### 🧑‍💻 Implementation

- [x] Broaden the service port range to 50 ports.
- [x] Update the example docker-compose file.

### Anything else?

_No response_
self,
        static_libs: str = None,
        var_libs: str = None,
        cache: str = None,
        tmp: str = None,
        functions: str = None,
        data: str = None,
        config: str = None,
        init: str = None,
        logs: str = None,
    ) -> None:
        super().__init__()
        self.static_libs = static_libs
        self.var_libs = var_libs
        self.cache = cache
        self.tmp = tmp
        self.functions = functions
        self.data = data
        self.config = config
        self.init = init
        self.logs = logs
    @staticmethod
    def from_config():