chore: fix linting issues and use updated toolchain action

.github/workflows/linting.yml

@@ -21,47 +21,17 @@ jobs:
         with:
           version: "7.3.27"
       - name: Install Rust
-        uses: actions-rs/toolchain@v1
+        uses: dtolnay/rust-toolchain@stable
         with:
-          profile: minimal
           toolchain: stable
-          override: true
-          components: clippy
+          components: clippy, rustfmt
       - name: Setup buf
         uses: bufbuild/[email protected]
       - name: Setup protoc
         run: sudo apt-get install protobuf-compiler
       - name: Generate buf
         run: cd crates/valv && buf generate
       - name: Run Clippy
-        uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: -- -D warnings
-
-  fmt:
-    name: Rustfmt
-    runs-on: ubuntu-latest
-    permissions:
-      checks: write
-      contents: read
-    steps:
-      - uses: actions/checkout@v4
-      - name: Install Rust
-        uses: actions-rs/toolchain@v1
-        with:
-          profile: minimal
-          toolchain: stable
-          override: true
-          components: rustfmt
-      - name: Setup buf
-        uses: bufbuild/[email protected]
-      - name: Setup protoc
-        run: sudo apt-get install protobuf-compiler
-      - name: Generate buf
-        run: cd crates/valv && buf generate
-      - name: Check formatting
-        uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+        run: cargo clippy --all -- -D warnings
+      - name: Run fmt
+        run: cargo fmt --all -- --check

crates/valv/src/storage/fdb.rs

@@ -252,10 +252,10 @@ impl ValvStorage for FoundationDB {
 
     async fn update_key_version(
         &self,
-        tenant: &str,
-        key_id: &str,
-        version_id: u32,
-        version: internal::KeyVersion,
+        _tenant: &str,
+        _key_id: &str,
+        _version_id: u32,
+        _version: internal::KeyVersion,
     ) -> anyhow::Result<()> {
         todo!()
     }

crates/valv/src/storage/interface.rs

@@ -13,6 +13,7 @@ pub trait ValvStorage {
         key_id: &str,
         version_id: u32,
     ) -> anyhow::Result<internal::KeyVersion>;
+    #[allow(unused)]
     async fn get_key_versions(
         &self,
         tenant: &str,
@@ -24,6 +25,7 @@ pub trait ValvStorage {
         key: internal::Key,
         key_version: internal::KeyVersion,
     ) -> anyhow::Result<()>;
+    #[allow(unused)]
     async fn update_key_version(
         &self,
         tenant: &str,