fix(docker): Remove outdated compose version numbers

Copy of freelawproject/courtlistener#5513 for this repository.

Author: adamchainz

docker-compose.dev-gpu.yml

@@ -1,5 +1,3 @@
-version: "3.8"
-
 services:
   inception-embedding-service:
     container_name: inception-embedding-service
@@ -24,4 +22,4 @@ services:
           devices:
             - driver: nvidia
               count: all
-              capabilities: [gpu,compute]
+              capabilities: [gpu,compute]

docker-compose.dev.yml

@@ -1,5 +1,3 @@
-version: "3.8"
-
 services:
   inception-embedding-service:
     container_name: inception-embedding-service
@@ -12,4 +10,4 @@ services:
     volumes:
       - .:/app
     env_file:
-      - .env
+      - .env