Fixed YDB hostname in FQ Generic tests (#4033)

Author: vitalyisaev2

ydb/tests/fq/generic/docker-compose.yml

@@ -12,7 +12,7 @@ services:
   fq-connector-go:
     command: |
       sh -c "
-        echo \"$$(dig fq-tests-ydb-ydb +short) fq-tests-ydb-ydb\" >> /etc/hosts; cat /etc/hosts;
+        echo \"$$(dig tests-fq-generic-ydb +short) tests-fq-generic-ydb\" >> /etc/hosts; cat /etc/hosts;
         /opt/ydb/bin/fq-connector-go server -c /opt/ydb/cfg/fq-connector-go.yaml"
     container_name: tests-fq-generic-fq-connector-go
     image: ghcr.io/ydb-platform/fq-connector-go:v0.2.20@sha256:a1771f348dc8be6219865e332f788429907cdfec3677b3e98f0bc6f7dd542dc6