### Is there an existing issue for this?

- [X] I have searched the existing issues

### Current Behavior

event path doesn't have trailing slash

### Expected Behavior

event path should have trailing slash

### How are you starting LocalStack?

With a docker-compose file

### Steps To Reproduce

{**'path': '/get_presigned_url'**, 'headers': {'Host': '0vcomlwzdi.execute-api.localhost.localstack.cloud:4566', .... more event logs .... }

### Environment

```markdown
- OS: Mac m1 
- LocalStack: 1.0.1
```


### Anything else?

noticing this while running a lambda test against localstack...in AWS the trailing slash in present
self, context: RequestContext, description: String = None, tags: MapOfStringToString = None
    ) -> ClientCertificate:
        region_details = APIGatewayRegion.get()
        cert_id = short_uid()
        creation_time = now_utc()
        entry = {
            "description": description,
            "tags": tags,
            "clientCertificateId": cert_id,
            "createdDate": creation_time,
            "expirationDate": creation_time + 60 * 60 * 24 * 30,  
            "pemEncodedCertificate": "testcert-123",  
        }
        region_details.client_certificates[cert_id] = entry
        result = to_client_cert_response_json(entry)
        return ClientCertificate(**result)
    def update_client_certificate(
        self,
        context: RequestContext,
        client_certificate_id: String,
        patch_operations: ListOfPatchOperation = None,
    ) -> ClientCertificate:
        region_details = APIGatewayRegion.get()
        entity = region_details.client_certificates.get(client_certificate_id)
        if entity is None:
            raise NotFoundException(f'Client certificate ID "{client_certificate_id}" not found')
        result = apply_json_patch_safe(entity, patch_operations)
        result = to_client_cert_response_json(result)
        return ClientCertificate(**result)
    def delete_client_certificate(