chore(deps): update actions/checkout action to v3 (#117)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -8,13 +8,13 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - run: yarn install
       - run: npm run test
   lint:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - run: yarn install
       - run: yarn run prettier-check
       - run: yarn run eslint

.github/workflows/pr-auditor.yml

@@ -7,7 +7,7 @@ jobs:
   run:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with: { repository: 'sourcegraph/sourcegraph' }
       - uses: actions/setup-go@v2
         with: { go-version: '1.17' }

.github/workflows/release.yml

@@ -9,7 +9,7 @@ jobs:
   release-image:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: docker/setup-buildx-action@v1
       - uses: actions/setup-node@v3
         with:

.github/workflows/sourcegraph.yml

@@ -8,7 +8,7 @@ jobs:
   test:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - run: yarn install
       - run: yarn global add ts-node
       - run: ts-node src/main.ts index