ci: revert back to stable for tests

Author: gerwin3

.github/workflows/ci.yml

@@ -95,19 +95,11 @@ jobs:
           DEBIAN_FRONTEND=noninteractive apt-get update
           DEBIAN_FRONTEND=noninteractive apt-get install -y build-essential ca-certificates clang curl pkg-config
 
-#     - name: Setup Rust
-#       uses: dtolnay/rust-toolchain@stable
-    
-      # TODO: Temporarily use nightly version of Rust for tests. Stable
-      # currently has a bug that causes linking to fail. The fix is in
-      # https://github.com/rust-lang/rust/commit/9ed0d11efbec18a1fa4155576a3bcb685676d23c
-      # and will hit stable at some point.
-
       - name: Setup Rust
-        uses: dtolnay/rust-toolchain@nightly
- 
+        uses: dtolnay/rust-toolchain@stable
+    
       - name: Test
-        run: cargo +nightly test --all-features # TODO: Temporarily use nightly for tests.
+        run: cargo test --all-features
 
   lints:
     runs-on: ubuntu-latest