Add Swatinem/rust-cache@v2 to CI

This adds caching to all CI jobs that use cargo

.github/workflows/authenticate_test.yml

@@ -27,5 +27,6 @@ jobs:
         options: --health-cmd "cqlsh --username cassandra --password cassandra --debug" --health-interval 5s --health-retries 30
     steps:
     - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
     - name: Run tests
       run: cargo test --verbose authenticate_superuser -- custom_authentication --ignored

.github/workflows/book.yml

@@ -27,6 +27,7 @@ jobs:
         options: --health-cmd "cqlsh --debug scylladb" --health-interval 5s --health-retries 10
     steps:
     - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
     - name: Install mdbook
       run: cargo install mdbook --no-default-features
     - name: Build the project

.github/workflows/cassandra.yml

@@ -25,6 +25,7 @@ jobs:
       run: |
         docker compose -f test/cluster/cassandra/docker-compose.yml up -d --wait
       # A separate step for building to separate measuring time of compilation and testing
+    - uses: Swatinem/rust-cache@v2
     - name: Build the project
       run: cargo build --verbose --tests --features "full-serialization"
     - name: Run tests on cassandra

.github/workflows/rust.yml

@@ -26,6 +26,7 @@ jobs:
       run: |
         sudo sh -c "echo 2097152 >> /proc/sys/fs/aio-max-nr"
         docker compose -f test/cluster/docker-compose.yml up -d --wait
+    - uses: Swatinem/rust-cache@v2
     - name: Format check
       run: cargo fmt --verbose --all -- --check
     - name: Clippy check
@@ -64,6 +65,7 @@ jobs:
       run: |
         rustup install ${{ env.rust_min }}
         rustup override set ${{ env.rust_min }}
+    - uses: Swatinem/rust-cache@v2
     - name: Print Rust version
       run: rustc --version
     - name: Use MSRV Cargo.lock
@@ -80,5 +82,6 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
     - name: Compile docs
       run: RUSTDOCFLAGS=-Dwarnings cargo doc

.github/workflows/serverless.yaml

@@ -30,6 +30,7 @@ jobs:
           ccm create serverless -i 127.0.1. -n 1 --scylla -v release:5.1.6
           ccm start  --sni-proxy --sni-port 7777
 
+      - uses: Swatinem/rust-cache@v2
       - name: Check
         run: cargo check --verbose
       - name: Run cloud example

.github/workflows/tls.yml

@@ -32,6 +32,7 @@ jobs:
       working-directory: ./scylla
     steps:
     - uses: actions/checkout@v3
+    - uses: Swatinem/rust-cache@v2
     - name: Check
       run: cargo check --verbose --features "ssl"
       working-directory: ${{env.working-directory}}