[#135] services: fix docker compose warnings

```
WARN[0000] network internet: network.external.name is deprecated in favor of network.name
```

Signed-off-by: Evgenii Stratonikov <evgeniy@nspcc.ru>

services/chain/docker-compose.yml

@@ -25,5 +25,5 @@ services:
 networks:
   chain_int:
   internet:
-    external:
-      name: basenet_internet
+    external: true
+    name: basenet_internet

services/http_gate/docker-compose.yml

@@ -32,5 +32,5 @@ services:
 networks:
   http_gate_int:
   internet:
-    external:
-      name: basenet_internet
+    external: true
+    name: basenet_internet

services/ir/docker-compose.yml

@@ -43,5 +43,5 @@ services:
 networks:
   ir_int:
   internet:
-    external:
-      name: basenet_internet
+    external: true
+    name: basenet_internet

services/morph_chain/docker-compose.yml

@@ -25,5 +25,5 @@ services:
 networks:
   chain_int:
   internet:
-    external:
-      name: basenet_internet
+    external: true
+    name: basenet_internet

services/s3_gate/docker-compose.yml

@@ -38,5 +38,5 @@ services:
 networks:
   s3_gate_int:
   internet:
-    external:
-      name: basenet_internet
+    external: true
+    name: basenet_internet

services/storage/docker-compose.yml

@@ -162,5 +162,5 @@ volumes:
 networks:
   storage_int:
   internet:
-    external:
-      name: basenet_internet
+    external: true
+    name: basenet_internet