chore(e2e): Use fluencelabs/rust-peer image (#288)

Use fluencelabs/rust-peer image

Author: nahsi

.github/workflows/tests.yml

@@ -6,7 +6,7 @@ on:
       rust-peer-image:
         description: "rust-peer image tag"
         type: string
-        default: "fluencelabs/fluence:minimal"
+        default: "fluencelabs/rust-peer:minimal"
       avm-version:
         description: "@fluencelabs/avm version"
         type: string