Fix rust checks (#3576)

* added cargo.lock

* added Cargo.lock as an artifact

* added new bytecode with lock file

.github/workflows/contracts.yml

@@ -70,6 +70,13 @@ jobs:
           retention-days: 1
         if: env.GIT_DIFF
 
+      - name: 'Upload Cargo.lock artifact'
+        uses: actions/upload-artifact@v3
+        with:
+          name: Cargo.lock
+          path: ${{ matrix.contract.workdir }}Cargo.lock
+          retention-days: 1
+
       - name: Check Test Data
         working-directory: ${{ matrix.contract.workdir }}
         if: env.GIT_DIFF

.gitignore

@@ -216,10 +216,6 @@ target/
 # Generated by rust-optimizer
 artifacts/
 
-# Remove Cargo.lock from gitignore if creating an executable, leave it for libraries
-# More information here https://doc.rust-lang.org/cargo/guide/cargo-toml-vs-cargo-lock.html
-Cargo.lock
-
 # These are backup files generated by rustfmt
 **/*.rs.bk
 # Don't commit lock files for test utils