chore(deps): bump actions/checkout from 2 to 3 (#4441)

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>
Co-authored-by: mergify[bot] <37929162+mergify[bot]@users.noreply.github.com>

.github/workflows/build.yml

@@ -16,7 +16,7 @@ jobs:
  if: startsWith(github.repository, 'spinnaker/')
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
  with:
  fetch-depth: 0
  - name: Set up QEMU

.github/workflows/docs_master.yml

@@ -15,12 +15,12 @@ jobs:
  runs-on: ubuntu-latest
  steps:
  - name: Checkout service repo
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
  with:
  path: service
 
  - name: Checkout docs repo
- uses: actions/checkout@v2
+ uses: actions/checkout@v3
  with:
  repository: spinnaker/spinnaker.io
  path: docs

.github/workflows/pr.yml

@@ -10,7 +10,7 @@ jobs:
  build:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
  with:
  fetch-depth: 0
  - name: Set up QEMU

.github/workflows/release.yml

@@ -14,7 +14,7 @@ jobs:
  release:
  runs-on: ubuntu-latest
  steps:
- - uses: actions/checkout@v2
+ - uses: actions/checkout@v3
  with:
  fetch-depth: 0
  # Given a tag, determine what branch we are on, so we can bump dependencies in the correct branch