Explictly use Py310 in github workflows (#818)

.github/workflows/auto-assignment.yaml

@@ -16,7 +16,7 @@ jobs:
   welcome:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions/github-script@v6
         with:
           script: |

.github/workflows/format.yml

@@ -12,15 +12,18 @@ jobs:
 
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
       - name: Get pip cache dir
         id: pip-cache
         run: |
           python -m pip install --upgrade pip setuptools
           echo "::set-output name=dir::$(pip cache dir)"
       - name: pip cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}

.github/workflows/lint.yml

@@ -13,15 +13,18 @@ jobs:
     name: Check the code format
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
-
+      - uses: actions/checkout@v4
+      - name: Set up Python 3.10
+        uses: actions/setup-python@v5
+        with:
+          python-version: '3.10'
       - name: Get pip cache dir
         id: pip-cache
         run: |
           python -m pip install --upgrade pip setuptools
           echo "::set-output name=dir::$(pip cache dir)"
       - name: pip cache
-        uses: actions/cache@v2
+        uses: actions/cache@v3
         with:
           path: ${{ steps.pip-cache.outputs.dir }}
           key: ${{ runner.os }}-pip-${{ hashFiles('requirements.txt') }}