fix workflows

.github/workflows/rust.yml

@@ -0,0 +1,103 @@
+name: Rust
+
+on:
+  push:
+    branches: ["master"]
+  pull_request:
+    branches: ["master"]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust Toolchain
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: rustfmt, clippy
+
+      - name: Check Code Format
+        run: cargo fmt --all -- --check
+
+      - name: Code Lint
+        run: cargo clippy --all-targets --all-features -- -D warnings
+
+      - name: Build
+        run: cargo build --verbose --all-features
+
+      - name: Run tests
+        run: cargo test --verbose --all-features
+
+  msrv:
+    name: Verify MSRV (1.85)
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust Toolchain (1.85)
+        uses: dtolnay/rust-toolchain@1.85.0
+
+      - name: Check
+        run: cargo check --all-features
+
+  ensure_no_std:
+    name: Ensure no_std
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust Toolchain (nightly)
+        uses: dtolnay/rust-toolchain@nightly
+        with:
+          targets: thumbv6m-none-eabi
+
+      - name: Build (no_std)
+        run: cargo build --no-default-features --target thumbv6m-none-eabi
+        shell: bash
+
+  coverage:
+    name: Coverage
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust Toolchain (stable)
+        uses: dtolnay/rust-toolchain@stable
+        with:
+          components: llvm-tools-preview
+
+      - name: Install cargo-llvm-cov
+        run: cargo install cargo-llvm-cov
+
+      - name: Run coverage
+        run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          files: lcov.info
+          fail_ci_if_error: false
+
+  audit:
+    name: Security Audit
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install Rust Toolchain
+        uses: dtolnay/rust-toolchain@stable
+
+      - name: Install cargo-audit
+        run: cargo install cargo-audit
+
+      - name: Run cargo audit
+        run: cargo audit