Bump actions/checkout from 2.3.5 to 2.4.0 (#477)

Bumps [actions/checkout](https://github.com/actions/checkout) from 2.3.5 to 2.4.0.
- [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/v2.3.5...v2.4.0

)

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

Signed-off-by: dependabot[bot] <support@github.com>

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

.github/workflows/build.yml

@@ -29,7 +29,7 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - uses: sigstore/cosign-installer@main
         with:
           cosign-release: 'v1.2.1'

.github/workflows/codeql-analysis.yml

@@ -35,7 +35,7 @@ jobs:
         language: [ 'go' ]
     steps:
     - name: Checkout repository
-      uses: actions/checkout@v2.3.5
+      uses: actions/checkout@v2.4.0
 
     # Initializes the CodeQL tools for scanning.
     - name: Initialize CodeQL

.github/workflows/main.yml

@@ -26,7 +26,7 @@ jobs:
     runs-on: ubuntu-20.04
 
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: Extract version of Go to use
         run: echo "GOVERSION=$(cat Dockerfile|grep golang | awk ' { print $2 } ' | sed -r 's/^.*://g'| uniq)" >> $GITHUB_ENV
       - uses: actions/setup-go@v2
@@ -44,7 +44,7 @@ jobs:
   container-build:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: Extract version of Go to use
         run: echo "GOVERSION=$(cat Dockerfile|grep golang | awk ' { print $2 } ' | sed -r 's/^.*://g'| uniq)" >> $GITHUB_ENV
       - uses: actions/setup-go@v2
@@ -65,7 +65,7 @@ jobs:
     steps:
       - name: download minisign
         run: sudo add-apt-repository ppa:dysfunctionalprogramming/minisign && sudo apt-get update && sudo apt-get install minisign
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: Docker Build
         run: docker-compose build
       - name: Extract version of Go to use

.github/workflows/validate-release.yml

@@ -39,7 +39,7 @@ jobs:
       statuses: none
 
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v2.4.0
       - name: Extract version of Go to use
         run: echo "GOVERSION=$(cat Dockerfile|grep golang | awk ' { print $2 } ' | sed -r 's/^.*://g'| uniq)" >> $GITHUB_ENV
       - uses: actions/setup-go@v2

.github/workflows/verify.yml

@@ -22,7 +22,7 @@ jobs:
     name: license boilerplate check
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: Extract version of Go to use
         run: echo "GOVERSION=$(cat Dockerfile|grep golang | awk ' { print $2 } ' | sed -r 's/^.*://g'| uniq)" >> $GITHUB_ENV
       - uses: actions/setup-go@v2
@@ -40,7 +40,7 @@ jobs:
     name: lint
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2.3.5
+      - uses: actions/checkout@v2.4.0
       - name: deps
         run: sudo apt-get update && sudo apt-get install -yq libpcsclite-dev
       - name: golangci-lint