fix: use OIDC for Codecov (#67)

Author: ThirdEyeSqueegee

.github/workflows/python-package.yml

@@ -5,44 +5,48 @@ name: Python package
 
 on:
   push:
-    branches: [ master ]
+    branches: [master]
   pull_request:
-    branches: [ master ]
+    branches: [master]
+
+permissions:
+  contents: read
+  id-token: write
 
 jobs:
   build:
-
     runs-on: ubuntu-latest
     strategy:
       fail-fast: false
       matrix:
         python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
 
     steps:
-    - uses: actions/checkout@v4
-    - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v5
-      with:
-        python-version: ${{ matrix.python-version }}
-    - name: Install dependencies
-      run: |
-        python -m pip install --upgrade pip
-        pip install -r requirements.txt -r dev-requirements.txt
-        pip install -e .
-    - name: Lint with flake8
-      run: |
-        # stop the build if there are Python syntax errors or undefined names
-        flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
-        # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
-        flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
-    - name: Lint with PyLint
-      run: pylint --rcfile=.pylintrc src/aws_secretsmanager_caching
-    - name: Check formatting with Ruff
-      uses: astral-sh/ruff-action@v3
-    - name: Test with pytest
-      run: |
-        pytest test/unit/
-    - name: Upload coverage to Codecov
-      uses: codecov/codecov-action@v5
-      env:
-        CODECOV_TOKEN: ${{ secrets.CODECOV_TOKEN }}
+      - uses: actions/checkout@v4
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt -r dev-requirements.txt
+          pip install -e .
+      - name: Lint with flake8
+        run: |
+          # stop the build if there are Python syntax errors or undefined names
+          flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+          # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+          flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+      - name: Lint with PyLint
+        run: pylint --rcfile=.pylintrc src/aws_secretsmanager_caching
+      - name: Check formatting with Ruff
+        uses: astral-sh/ruff-action@v3
+      - name: Test with pytest
+        run: |
+          pytest test/unit/
+      - name: Upload coverage to Codecov
+        uses: codecov/codecov-action@v5
+        with:
+          fail_ci_if_error: true
+          use_oidc: true