Bump codecov/codecov-action from 3 to 4 (#9659)

* Bump codecov/codecov-action from 3 to 4

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>

* Add automated changelog yaml from template for bot PR

---------

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Github Build Bot <buildbot@fishtownanalytics.com>

.changes/unreleased/Dependencies-20240226-004412.yaml

@@ -0,0 +1,6 @@
+kind: "Dependencies"
+body: "Bump codecov/codecov-action from 3 to 4"
+time: 2024-02-26T00:44:12.00000Z
+custom:
+  Author: dependabot[bot]
+  PR: 9659

.github/workflows/main.yml

@@ -107,7 +107,7 @@ jobs:
 
       - name: Upload Unit Test Coverage to Codecov
         if: ${{ matrix.python-version == '3.11' }}
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: unit
@@ -221,7 +221,7 @@ jobs:
 
       - name: Upload Integration Test Coverage to Codecov
         if: ${{ matrix.python-version == '3.11' }}
-        uses: codecov/codecov-action@v3
+        uses: codecov/codecov-action@v4
         with:
           token: ${{ secrets.CODECOV_TOKEN }}
           flags: integration