Revert "[CI] Temporarily disable Rust toolchain installation."

This reverts commit 7a0ac0f.

Author: vyazelenko

.github/workflows/ci.yml

@@ -372,9 +372,9 @@ jobs:
         with:
           path: ~/.gradle/wrapper
           key: ${{ runner.os }}-gradle-wrapper-${{ hashFiles('**/gradle/wrapper/gradle-wrapper.properties') }}
-#      - name: Rust setup
-#        uses: dtolnay/rust-toolchain@stable
-#        toolchain: ${{ matrix.rust }}
+      - name: Rust setup
+        uses: dtolnay/rust-toolchain@stable
+        toolchain: ${{ matrix.rust }}
       - name: Setup java 17 to run the Gradle script
         uses: actions/setup-java@v4
         with: