Update workflows, use newer version of Python

.github/workflows/format.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v3
 
     - name: Set up Python
-      uses: actions/setup-python@v2
+      uses: actions/setup-python@v4
       with:
         python-version: '3.8'
 

.github/workflows/pypi.yml

@@ -9,10 +9,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
 
     - name: Install dependencies
       run: |

.github/workflows/test.yml

@@ -11,12 +11,12 @@ jobs:
     runs-on: ${{ matrix.os }}
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
       with:
-        python-version: 3.6
+        python-version: '3.8'
 
     - name: Install dependencies
       run: pip install .[dev]

.github/workflows/verify.yml

@@ -7,10 +7,10 @@ jobs:
     runs-on: ubuntu-latest
 
     steps:
-    - uses: actions/checkout@v1
+    - uses: actions/checkout@v3
 
     - name: Set up Python
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v4
 
     - name: Install dependencies
       run: pip3 install -U git+https://github.com/online-judge-tools/verification-helper.git@master
@@ -22,28 +22,31 @@ jobs:
 
     # required only if you want to verify Java code
     - name: Install dependencies (Java)
-      uses: actions/setup-java@v1
+      uses: actions/setup-java@v3
       with:
-        java-version: 11
+        distribution: temurin
+        java-version: '11'
 
     # required only if you want to verify C# script files
-    - uses: actions/setup-dotnet@v1
+    - uses: actions/setup-dotnet@v3
       with:
         dotnet-version: '3.1.101'
     - name: Install dependencies (C#)
-      run: dotnet tool install -g dotnet-script
+      run: dotnet tool install --global dotnet-script --version 1.4.0
 
     # required only if you want to verify Go code
     - name: Install dependencies (Go)
-      uses: actions/setup-go@v2
+      uses: actions/setup-go@v4
 
     # required only if you want to verify Ruby code
     - name: Install dependencies (Ruby)
-      uses: actions/setup-ruby@v1
+      uses: ruby/setup-ruby@v1
+      with:
+        ruby-version: '3.0'
 
     # required only if you want to verify Nim code
     - name: Install dependencies (Nim)
-      run: sudo apt install nim
+      run: apt-get update && sudo apt-get --assume-yes install nim
 
     - name: Set up Rust (1.42.0)
       uses: actions-rs/toolchain@v1

README.ja.md

@@ -25,7 +25,7 @@
 $ pip3 install online-judge-verify-helper
 ```
 
-Python のバージョンは 3.6 以上が必要です。
+Python のバージョンは 3.8 以上が必要です。
 
 #### verify 自動実行
 

README.md

@@ -25,7 +25,7 @@ Please read this: <https://online-judge-tools.github.io/verification-helper/inst
 $ pip3 install online-judge-verify-helper
 ```
 
-Python 3.6 or above is required.
+Python 3.8 or above is required.
 
 #### Automating the verification
 

setup.cfg

@@ -7,8 +7,7 @@ classifiers =
     Intended Audience :: Developers
     License :: OSI Approved :: MIT License
     Operating System :: OS Independent
-    Programming Language :: Python :: 3.5
-    Programming Language :: Python :: 3.6
+    Programming Language :: Python :: 3.8
     Topic :: Internet :: WWW/HTTP
     Topic :: Software Development
     Topic :: Utilities

setup.py

@@ -9,7 +9,7 @@
     url='https://github.com/kmyk/online-judge-verify-helper',
     license='MIT License',
     description='',
-    python_requires='>=3.6',
+    python_requires='>=3.8',
     install_requires=[
         'colorlog',
         'pyyaml',