feat: add x86_64-unknown-linux-gnu target

Author: YC

.github/workflows/build-linux.yml

@@ -14,7 +14,10 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        target: ["x86_64-unknown-linux-musl", "aarch64-unknown-linux-gnu"]
+        target:
+            - "x86_64-unknown-linux-musl"
+            - "x86_64-unknown-linux-gnu"
+            - "aarch64-unknown-linux-musl"
     steps:
       - uses: actions/checkout@master