Update to codecov-action v4

.github/workflows/tests.yml

@@ -1,81 +1,82 @@
-name: Tests
-on:
-  push:
-    branches:
-      - master
-  pull_request:
-
-jobs:
-  tests:
-    runs-on: ubuntu-latest
-    strategy:
-      matrix:
-        python-version: [3.9, '3.10', '3.11']
-
-    steps:
-      - name: Cancel Previous Runs
-        uses: styfle/[email protected]
-        with:
-          access_token: ${{ github.token }}
-      - uses: actions/checkout@v1
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: ${{ matrix.python-version }}
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt
-          pip install wheel pytest pytest-cov pytest-mock pytest-benchmark --upgrade
-      - name: Install Plugin
-        run: |
-          python setup.py bdist_wheel
-          pip install dist/PennyLane*.whl
-      - name: Run tests
-        run: python -m pytest tests --cov=pennylane_ionq --cov-report=term-missing --cov-report=xml -p no:warnings --tb=native
-        env:
-          IONQ_API_KEY: ${{ secrets.IONQ_API_KEY }}
-      - name: Upload coverage to Codecov
-        uses: codecov/[email protected]
-        with:
-          file: ./coverage.xml
-
-  integration-tests:
-    runs-on: ubuntu-latest
-    if: github.event.pull_request.head.repo.full_name == github.repository
-
-    steps:
-      - name: Cancel Previous Runs
-        uses: styfle/[email protected]
-        with:
-          access_token: ${{ github.token }}
-
-      - uses: actions/checkout@v2
-
-      - name: Set up Python
-        uses: actions/setup-python@v2
-        with:
-          python-version: 3.9
-
-      - name: Install dependencies
-        run: |
-          python -m pip install --upgrade pip
-          pip install -r requirements.txt
-          pip install wheel pytest pytest-benchmark pytest-cov pytest-mock flaky --upgrade
-
-      - name: Install Plugin
-        run: |
-          python setup.py bdist_wheel
-          pip install dist/PennyLane*.whl
-
-      - name: Run tests
-        env:
-          IONQ_API_KEY: ${{ secrets.IONQ_API_KEY }}
-        run: |
-          pl-device-test --device=ionq.simulator --tb=short --skip-ops --shots=10000
-
-      - name: Upload coverage to Codecov
-        uses: codecov/codecov-action@v4
-        with:
-          token: ${{ secrets.codecov_token }}
-          file: ./coverage.xml
+name: Tests
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+
+jobs:
+  tests:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.9, '3.10', '3.11']
+
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+      - uses: actions/checkout@v1
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install wheel pytest pytest-cov pytest-mock pytest-benchmark --upgrade
+      - name: Install Plugin
+        run: |
+          python setup.py bdist_wheel
+          pip install dist/PennyLane*.whl
+      - name: Run tests
+        run: python -m pytest tests --cov=pennylane_ionq --cov-report=term-missing --cov-report=xml -p no:warnings --tb=native
+        env:
+          IONQ_API_KEY: ${{ secrets.IONQ_API_KEY }}
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.codecov_token }}
+          file: ./coverage.xml
+
+  integration-tests:
+    runs-on: ubuntu-latest
+    if: github.event.pull_request.head.repo.full_name == github.repository
+
+    steps:
+      - name: Cancel Previous Runs
+        uses: styfle/[email protected]
+        with:
+          access_token: ${{ github.token }}
+
+      - uses: actions/checkout@v2
+
+      - name: Set up Python
+        uses: actions/setup-python@v2
+        with:
+          python-version: 3.9
+
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+          pip install wheel pytest pytest-benchmark pytest-cov pytest-mock flaky --upgrade
+
+      - name: Install Plugin
+        run: |
+          python setup.py bdist_wheel
+          pip install dist/PennyLane*.whl
+
+      - name: Run tests
+        env:
+          IONQ_API_KEY: ${{ secrets.IONQ_API_KEY }}
+        run: |
+          pl-device-test --device=ionq.simulator --tb=short --skip-ops --shots=10000
+
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v4
+        with:
+          token: ${{ secrets.codecov_token }}
+          file: ./coverage.xml