fix: correct Rust toolchain setup in E2E workflow

- Replace deprecated actions-rs/toolchain@v1 with dtolnay/rust-toolchain@stable
- Update cache action to use modern Swatinem/rust-cache@v2
- Follow the same pattern used in torrust-tracker testing workflow

Author: josecelano

.github/workflows/test-e2e.yml

@@ -20,23 +20,13 @@ jobs:
       - name: Checkout repository
         uses: actions/checkout@v4
 
-      - name: Install Rust toolchain
-        uses: actions-rs/toolchain@v1
+      - name: Setup Rust toolchain
+        uses: dtolnay/rust-toolchain@stable
         with:
           toolchain: stable
-          profile: minimal
-          override: true
 
       - name: Cache Rust dependencies
-        uses: actions/cache@v3
-        with:
-          path: |
-            ~/.cargo/registry
-            ~/.cargo/git
-            target
-          key: ${{ runner.os }}-cargo-${{ hashFiles('**/Cargo.lock') }}
-          restore-keys: |
-            ${{ runner.os }}-cargo-
+        uses: Swatinem/rust-cache@v2
 
       - name: Install and configure LXD
         run: |

project-words.txt

@@ -4,6 +4,7 @@ containerd
 cpus
 dearmor
 debootstrap
+dtolnay
 ehthumbs
 eprintln
 getent