Merge pull request #7 from mitodl/renovate/actions-checkout-4.x

Update actions/checkout action to v4

Author: blarghmatey

.github/workflows/push.yaml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - name: setup go env
       uses: actions/setup-go@0c52d547c9bc32b1aa3301fd7a9cb496313a4491 # v5
       with:

.github/workflows/release.yaml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     steps:
     - name: checkout
-      uses: actions/checkout@v2
+      uses: actions/checkout@b4ffde65f46336ab88eb53be808477a3936bae11 # v4
     - uses: wangyoucao577/go-release-action@8fa1e8368c8465264d64e0198208e10f71474c87 # v1.50
       with:
         github_token: ${{ secrets.GITHUB_TOKEN }}