update github action workflows

Author: dclong

.github/workflows/lint.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-20.04
     strategy:
       matrix:
-        python-version: [3.7]
+        python-version: [3.10]
     steps:
     - uses: actions/cache@v2
       with:

.github/workflows/pre-release.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.10
       - name: Install Poetry
         run: |
           pip3 install -U git+https://github.com/dclong/xinstall@main

.github/workflows/release.yml

@@ -16,7 +16,7 @@ jobs:
       - name: Set up Python
         uses: actions/setup-python@v2
         with:
-          python-version: 3.7
+          python-version: 3.10
       - name: Install Poetry
         run: |
           pip3 install -U git+https://github.com/dclong/xinstall@main

.github/workflows/test_macos.yml

@@ -13,9 +13,6 @@ jobs:
           #- ubuntu-latest
           - macOS-latest
         python-version: 
-          - "3.7"
-          - "3.8"
-          - "3.9"
           - "3.10"
 
     steps:

.github/workflows/test_ubuntu.yml

@@ -14,9 +14,6 @@ jobs:
           #- windows-latest
           #- macOS-latest
         python-version: 
-          - "3.7"
-          - "3.8"
-          - "3.9"
           - "3.10"
 
     steps:

.github/workflows/test_windows.yml

@@ -16,9 +16,7 @@ jobs:
           #- macOS-latest
           - windows-latest
         python-version: 
-          - "3.7"
-          - "3.8"
-          - "3.9"
+          - "3.10"
 
     steps:
     - uses: actions/checkout@v2