chore: update checkout action (#47)

Author: rokroskar

.github/workflows/update-on-new-release.yaml

@@ -24,13 +24,13 @@ jobs:
     - name: Get release tag
       run: echo "NEW_VERSION=${GITHUB_REF#refs/*/}" >> $GITHUB_ENV
     - name: Checkout repo to be updated
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         repository: ${{ matrix.repo.name }}
         ref: ${{ matrix.repo.ref }}
         fetch-depth: 1
     - name: Checkout renku-actions repo
-      uses: actions/checkout@v2
+      uses: actions/checkout@v3
       with:
         fetch-depth: 1
         path: .actions-repo

deploy-renku/README.md

@@ -19,7 +19,7 @@ deploy-pr:
   environment:
     name: ci-renku-${{ github.event.number }}
   steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
     - name: renku build and deploy
     if: needs.check-deploy.outputs.pr-contains-string == 'true'
     uses: SwissDataScienceCenter/renku-actions/[email protected]

publish-chart/README.md

@@ -8,7 +8,7 @@ It can simply be used as a step in a GitHub actions job:
 
 ```yaml
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - uses: SwissDataScienceCenter/renku/actions/publish-chart@master

rollout-renku-version/README.md

@@ -8,7 +8,7 @@ It can simply be used as a step in a GitHub actions job:
 
 ```yaml
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - uses: SwissDataScienceCenter/renku/actions/rollout-renku-deployment@master

update-component-version/README.md

@@ -9,7 +9,7 @@ It can simply be used as a step in a GitHub actions job:
 
 ```yaml
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
       with:
         fetch-depth: 0
     - uses: SwissDataScienceCenter/renku/actions/update-component-version@master