chore(deps): bump actions/checkout from 2 to 3 (#437)

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](actions/checkout@v2...v3)

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

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/workflows/ci_decrypt-oracle.yaml

@@ -11,7 +11,7 @@ jobs:
   tests:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v2
         with:
           # The oracle runs in a Python 3.6 Lamba
@@ -38,7 +38,7 @@ jobs:
           - flake8-tests
           - pylint-tests
     steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v3
         - uses: actions/setup-python@v1
           with:
             python-version: 3.8

.github/workflows/ci_static-analysis.yaml

@@ -27,7 +27,7 @@ jobs:
           - black-check
           - isort-check
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v2
         with:
           python-version: 3.8

.github/workflows/ci_test-vector-handler.yaml

@@ -45,7 +45,7 @@ jobs:
           aws-access-key-id: ${{ secrets.INTEG_AWS_ACCESS_KEY_ID }}
           aws-secret-access-key: ${{ secrets.INTEG_AWS_SECRET_ACCESS_KEY }}
           aws-region: us-west-2
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python }}
@@ -72,7 +72,7 @@ jobs:
           - flake8-tests
           - pylint-tests
     steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v3
         - uses: actions/setup-python@v1
           with:
             python-version: 3.8

.github/workflows/ci_tests.yaml

@@ -50,7 +50,7 @@ jobs:
           - os: macos-latest
             architecture: x86
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: actions/setup-python@v2
         with:
           python-version: ${{ matrix.python }}
@@ -71,7 +71,7 @@ jobs:
           - nocmk
           - test-upstream-requirements-py37
     steps:
-        - uses: actions/checkout@v2
+        - uses: actions/checkout@v3
         - uses: actions/setup-python@v1
           with:
             python-version: 3.7

.github/workflows/repo-sync.yml

@@ -9,7 +9,7 @@ jobs:
     environment: repo-sync
     runs-on: ubuntu-latest
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - uses: repo-sync/github-sync@v2
       name: Sync repo to branch
       with: