Add version checks for installed tools in CI workflow

This commit augments the CI workflow with additional echo statements to print the versions of rustc, cargo, protoc, and cargo-lambda. This helps in verifying the correct installation and version of these tools during the CI process.

Author: rsachdeva

.github/workflows/rust.yml

@@ -24,7 +24,9 @@ jobs:
       #        uses: dtolnay/rust-toolchain@stable
       - name: Check Rust version
         run: |
+          echo "Installed rustc version:"
           rustc --version
+          echo "Installed cargo version:"
           cargo --version
 
       - name: Install Just
@@ -36,11 +38,13 @@ jobs:
         run: |
           sudo apt-get update
           sudo apt-get install -y protobuf-compiler
+          echo "Installed protoc version:"
           protoc --version
 
       - name: Install Cargo Lambda
         run: |
           pip3 install cargo-lambda
+          echo "Installed cargo lambda version:"
           cargo lambda --version
 
       - name: Clean with lambdas