ci: bring back bare metal OS builds

Author: nabetti1720

.github/workflows/rustls-rustcrypto.yml

@@ -54,8 +54,26 @@ jobs:
           - 1.85.0 # MSRV
           - stable
         target:
-          # - armv7a-none-eabi
-          # - thumbv7em-none-eabi
+          - armv7a-none-eabi # Actually requires a custom backend
+          - thumbv7em-none-eabi # Actually requires a custom backend
+    steps:
+      - uses: actions/checkout@v4
+      - uses: dtolnay/rust-toolchain@master
+        with:
+          toolchain: ${{ matrix.rust }}
+          targets: ${{ matrix.target }}
+      - env:
+          RUSTFLAGS: --cfg getrandom_backend="unsupported"
+        run: cargo build --no-default-features --features tls12,alloc --release --target ${{ matrix.target }}
+
+  wasm_js:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - 1.85.0 # MSRV
+          - stable
+        target:
           - wasm32-unknown-unknown
     steps:
       - uses: actions/checkout@v4