Refresh GitHub workflows (#337)

* Add .idea in .gitignore

* Refresh Github workflows

* Allow very complex type usage in ntex-rt

.github/workflows/checks.yml

@@ -7,16 +7,12 @@ jobs:
     name: Clippy
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-            toolchain: stable
-            components: clippy
-            override: true
-      - uses: actions-rs/clippy-check@v1
-        with:
-          token: ${{ secrets.GITHUB_TOKEN }}
-          args: --all-features
+          toolchain: stable
+          components: clippy
+      - run: cargo clippy --all-features
 
   fmt:
     name: Rustfmt
@@ -26,13 +22,10 @@ jobs:
         rust:
           - stable
     steps:
-      - uses: actions/checkout@v2
-      - uses: actions-rs/toolchain@v1
+      - uses: actions/checkout@v4
+      - uses: actions-rust-lang/setup-rust-toolchain@v1
         with:
-          profile: minimal
           toolchain: ${{ matrix.rust }}
-          override: true
-      - uses: actions-rs/cargo@v1
-        with:
-          command: fmt
-          args: --all -- --check
+          components: rustfmt
+          rustflags: --profile minimal
+      - run: cargo fmt --all -- --check