Use OpenBSD to test getentropy.rs

Author: newpavlov

.github/workflows/workspace.yml

@@ -27,8 +27,8 @@ jobs:
       run: cargo clippy -Zbuild-core=core --target riscv32imc-esp-espidf
     - name: Fuchsia (fuchsia.rs)
       run: cargo clippy -Zbuild-core=core --target x86_64-unknown-fuchsia
-    - name: macOS (getentropy.rs)
-      run: cargo clippy -Zbuild-core=core --target x86_64-apple-darwin
+    - name: OpenBSD (getentropy.rs)
+      run: cargo clippy -Zbuild-core=core --target x86_64-unknown-openbsd
     - name: FreeBSD (getrandom.rs)
       run: cargo clippy -Zbuild-core=core --target x86_64-unknown-freebsd
     - name: Hermit (hermit.rs)