Bump codecov/codecov-action from 3 to 4 (#3602)

Bumps [codecov/codecov-action](https://github.com/codecov/codecov-action) from 3 to 4.
- [Release notes](https://github.com/codecov/codecov-action/releases)
- [Changelog](https://github.com/codecov/codecov-action/blob/main/CHANGELOG.md)
- [Commits](codecov/codecov-action@v3...v4)

---
updated-dependencies:
- dependency-name: codecov/codecov-action
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Simon <sdanisch@protonmail.com>

.github/workflows/ci.yml

@@ -47,6 +47,6 @@ jobs:
           Pkg.test("Makie"; coverage=true)
 
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info

.github/workflows/reference_tests.yml

@@ -58,7 +58,7 @@ jobs:
         if: ${{ env.TESTS_SUCCESSFUL != 'true' }}
         run: exit 1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
 
@@ -108,7 +108,7 @@ jobs:
         if: ${{ env.TESTS_SUCCESSFUL != 'true' }}
         run: exit 1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
 
@@ -154,7 +154,7 @@ jobs:
         if: ${{ env.TESTS_SUCCESSFUL != 'true' }}
         run: exit 1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info
 

.github/workflows/rprmakie.yaml

@@ -57,6 +57,6 @@ jobs:
         if: ${{ env.TESTS_SUCCESSFUL != 'true' }}
         run: exit 1
       - uses: julia-actions/julia-processcoverage@v1
-      - uses: codecov/codecov-action@v3
+      - uses: codecov/codecov-action@v4
         with:
           file: lcov.info