Bump actions/checkout from 2 to 4 in the all-actions group

Bumps the all-actions group with 1 update: [actions/checkout](https://github.com/actions/checkout).


Updates `actions/checkout` from 2 to 4
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](actions/checkout@v2...v4)

---
updated-dependencies:
- dependency-name: actions/checkout
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: all-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

.github/workflows/test-aries-vcr-issuer.yml

@@ -12,7 +12,7 @@ jobs:
     if: (github.event_name == 'schedule' && github.repository == 'hyperledger/aries-vcr-issuer-controller') || (github.event_name != 'schedule')
     steps:
       - name: checkout-aries-vcr-issuer
-        uses: actions/checkout@v2
+        uses: actions/checkout@v4
         with:
           path: aries-vcr-issuer-controller
       #- name: run-von-network