chore: Update dependencies, add clippy CI, and cleanup code (#305)

* chore: Update dependencies, add clippy CI, and cleanup code

Signed-off-by: Danil-Grigorev <danil.grigorev@suse.com>

* Add clipy task and fix lint

Downgrade opentelemetry to allow clippy to pass

Signed-off-by: Danil-Grigorev <danil.grigorev@suse.com>

---------

Signed-off-by: Danil-Grigorev <danil.grigorev@suse.com>

Author: Danil-Grigorev

.github/workflows/ci.yaml

@@ -123,3 +123,10 @@ jobs:
         with:
           name: artifacts-import-rke2-${{ matrix.display_name }}
           path: _out/gather
+
+  clippy:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Run clippy
+        run: cargo clippy --all-targets --all-features -- -W clippy::pedantic