Merge torrust#331: vairous chores and small improvements

f59b16e ci: update testing workflow (Cameron Garnham)
4dc795f chore: update cargo lockfile (Cameron Garnham)
5495658 ci: small fixes (Cameron Garnham)

Pull request description:

ACKs for top commit:
  da2ce7:
    ACK f59b16e

Tree-SHA512: e99bd3808ddaa7818a4507841ec066647a83d070fb98553e7370677c0342b2b84ab1d7761bbb1e653e4bd33feaa1282c45360ee8e5ba66d7ffe1921773b9cbac

.github/workflows/coverage.yaml

@@ -92,4 +92,4 @@ jobs:
           token: ${{ secrets.CODECOV_TOKEN }}
           files: ${{ steps.coverage.outputs.report }}
           verbose: true
-          fail_ci_if_error: true
+          fail_ci_if_error: true

.github/workflows/labels.yaml

@@ -33,4 +33,4 @@ jobs:
         with:
           config-file: .github/labels.json
           delete-other-labels: true
-          token: ${{ secrets.UPDATE_ISSUES }}
+          token: ${{ secrets.UPDATE_LABELS }}

.github/workflows/testing.yaml

@@ -15,7 +15,7 @@ jobs:
     steps:
       - id: checkout
         name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - id: setup
         name: Setup Toolchain
@@ -44,13 +44,13 @@ jobs:
     steps:
       - id: checkout
         name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - id: setup
         name: Setup Toolchain
         uses: dtolnay/rust-toolchain@stable
         with:
-          toolchain: nightly
+          toolchain: ${{ matrix.toolchain }}
           components: clippy
 
       - id: cache
@@ -65,14 +65,10 @@ jobs:
         name: Run Lint Checks
         run: cargo clippy --tests --benches --examples --workspace --all-targets --all-features -- -D clippy::correctness -D clippy::suspicious -D clippy::complexity -D clippy::perf -D clippy::style -D clippy::pedantic
 
-      - id: testdoc
-        name: Run Documentation Tests
+      - id: doc
+        name: Run Documentation Checks
         run: cargo test --doc
 
-      - id: builddoc
-        name: Build Documentation
-        run: cargo doc --no-deps --bins --examples --workspace --all-features
-
   unit:
     name: Units
     runs-on: ubuntu-latest
@@ -85,7 +81,7 @@ jobs:
     steps:
       - id: checkout
         name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - id: setup
         name: Setup Toolchain
@@ -123,15 +119,15 @@ jobs:
     steps:
       - id: checkout
         name: Checkout Repository
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - id: setup
         name: Setup Toolchain
         uses: dtolnay/rust-toolchain@stable
 
       - id: cache
         name: Enable Job Cache
-        uses: Swatinem/rust-cache@v2        
+        uses: Swatinem/rust-cache@v2
 
       - id: test
         name: Run Integration Tests