ci: fix codecov upload (#43382)

.github/workflows/audit.yaml

@@ -47,3 +47,4 @@ jobs:
       if: ${{ inputs.with_coverage == 'true' }}
       with:
         flags: unittests,audits
+        token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/unit_tests.yaml

@@ -94,6 +94,7 @@ jobs:
     - uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab
       with:
         flags: unittests,linux,${{ matrix.concretizer }}
+        token: ${{ secrets.CODECOV_TOKEN }}
   # Test shell integration
   shell:
     runs-on: ubuntu-latest
@@ -125,6 +126,7 @@ jobs:
     - uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab
       with:
         flags: shelltests,linux
+        token: ${{ secrets.CODECOV_TOKEN }}
 
   # Test RHEL8 UBI with platform Python. This job is run
   # only on PRs modifying core Spack
@@ -184,6 +186,7 @@ jobs:
     - uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab # @v2.1.0
       with:
         flags: unittests,linux,clingo
+        token: ${{ secrets.CODECOV_TOKEN }}
   # Run unit tests on MacOS
   macos:
     runs-on: ${{ matrix.os }}
@@ -220,3 +223,4 @@ jobs:
     - uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab
       with:
         flags: unittests,macos
+        token: ${{ secrets.CODECOV_TOKEN }}

.github/workflows/windows_python.yml

@@ -36,6 +36,7 @@ jobs:
     - uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab
       with:
         flags: unittests,windows
+        token: ${{ secrets.CODECOV_TOKEN }}
   unit-tests-cmd:
     runs-on: windows-latest
     steps:
@@ -60,6 +61,7 @@ jobs:
     - uses: codecov/codecov-action@54bcd8715eee62d40e33596ef5e8f0f48dbbccab
       with:
         flags: unittests,windows
+        token: ${{ secrets.CODECOV_TOKEN }}
   build-abseil:
     runs-on: windows-latest
     steps: