chore(deps): bump actions/checkout from 2 to 3 (#31)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/checkout
  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>

.github/workflows/_internal-install.yaml

@@ -27,7 +27,7 @@ jobs:
     outputs:
       matrix: ${{ steps.supported-version.outputs.matrix }}
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: ./supported-version
         id: supported-version
       - run: echo ${{ steps.supported-version.outputs.matrix }}
@@ -38,7 +38,7 @@ jobs:
       matrix: ${{ fromJSON(needs.compute_matrix.outputs.matrix) }}
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: ./installation-test
       with:
         composer_version: ${{ matrix.composer }}

.github/workflows/_internal-integration.yaml

@@ -27,7 +27,7 @@ jobs:
       outputs:
         matrix: ${{ steps.supported-version.outputs.matrix }}
       steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v3
         - uses: ./supported-version
           id: supported-version
         - run: echo ${{ steps.supported-version.outputs.matrix }}

.github/workflows/_internal-unit.yaml

@@ -27,7 +27,7 @@ jobs:
           - 8.1
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: ./unit-test
       with:
         source_folder: _test/demo-package