Hooks: Rename directory and deny binary script (#20)

To make it more consistent with other hook scripts and we also rename `docker-compose.yml` to `compose.yml`

Reviewed-on: https://projects.blender.org/infrastructure/gitea-custom/pulls/20

hooks/compose.yml

@@ -0,0 +1,9 @@
+services:
+  gitea_deny_binary_tests:
+    image: ghcr.io/blender/gitea:v1.25.3
+    container_name: gitea_deny_binary_tests
+    working_dir: /workspace
+    command: bash -c "./test/run_deny_binary_tests.sh"
+    volumes:
+      - ./:/workspace
+    user: root