Bump actions/checkout from 2 to 3

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>

.github/workflows/e2e-master.yaml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Create Kind Cluster

.github/workflows/e2e-release-11.0.yaml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Create Kind Cluster

.github/workflows/e2e-release-12.0.yaml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Create Kind Cluster

.github/workflows/e2e-release-17.0.yaml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: [2.7, 3.5, 3.6, 3.7, 3.8]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Create Kind Cluster

.github/workflows/e2e-release-18.0.yaml

@@ -15,7 +15,7 @@ jobs:
       matrix:
         python-version: [3.6, 3.7, 3.8, 3.9]
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Create Kind Cluster

.github/workflows/test.yaml

@@ -13,7 +13,7 @@ jobs:
             use_coverage: 'coverage'
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         submodules: true
     - name: Set up Python ${{ matrix.python-version }}