Update to actions/checkout@v3 (#467)

Author: jtpio

.github/workflows/check-release.yml

@@ -13,7 +13,7 @@ jobs:
   check_release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install Dependencies
         shell: bash

.github/workflows/generate-changelog.yml

@@ -26,7 +26,7 @@ jobs:
       matrix:
         python-version: ["3.10"]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install Dependencies
         shell: bash

.github/workflows/prep-release.yml

@@ -26,7 +26,7 @@ jobs:
   prep_release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install Dependencies
         shell: bash

.github/workflows/publish-release.yml

@@ -19,7 +19,7 @@ jobs:
   publish_release:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - name: Install Dependencies
         shell: bash

.github/workflows/test.yml

@@ -22,7 +22,7 @@ jobs:
   check_links:
     runs-on: ubuntu-20.04
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - uses: jupyterlab/maintainer-tools/.github/actions/check-links@v1
 
@@ -34,7 +34,7 @@ jobs:
         os: [ubuntu-latest, windows-latest, macos-latest]
         python-version: ["3.8", "3.11"]
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
       - name: Run the tests with coverage on Ubuntu
@@ -55,7 +55,7 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - env:
           GITHUB_ACCESS_TOKEN: ${{ secrets.GITHUB_TOKEN }}
@@ -109,14 +109,14 @@ jobs:
     runs-on: ubuntu-20.04
     timeout-minutes: 10
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
       - run: hatch run docs:build
 
   check_local_actions:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
       - uses: jupyterlab/maintainer-tools/.github/actions/base-setup@v1
 
       - name: prep-release