Resolve workflow deprecations

.github/workflows/import.yaml

@@ -9,10 +9,10 @@ jobs:
   recent:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           ref: ${{ github.head_ref }}
-      - uses: actions/setup-node@v1
+      - uses: actions/setup-node@v3
         with:
           node-version: '16'
       - uses: actions/cache@v3

.github/workflows/set-timestamp.yaml

@@ -12,7 +12,7 @@ jobs:
   set-timestamp:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           ref: ${{ github.head_ref }}
       - uses: actions/cache@v3

.github/workflows/view-cache.yaml

@@ -7,7 +7,7 @@ jobs:
   view-cache:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v2
+      - uses: actions/checkout@v3
         with:
           ref: ${{ github.head_ref }}
       - uses: actions/cache@v3