Minimize CI/dev dependencies (#163)

This commit removes poetry and related dependency specifications to avoid
unnecessary security advisories due to out-dated unmaintained tooling versions.

Author: deathaxe

.build

@@ -7,18 +7,19 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: [3.8]
+        python-version:
+          - 3.14
 
     steps:
-    - uses: actions/checkout@v2
+    - uses: actions/checkout@v7
     - name: Set up Python ${{ matrix.python-version }}
-      uses: actions/setup-python@v1
+      uses: actions/setup-python@v7
       with:
         python-version: ${{ matrix.python-version }}
     - name: Install dependencies
       run: |
-        python -m pip install --upgrade pip
-        pip install flake8 flake8-blind-except flake8-comprehensions flake8-docstrings flake8-eradicate
-    - name: Lint with flake8
+        pip install -U --disable-pip-version-check black flake8 flake8-blind-except flake8-comprehensions flake8-docstrings flake8-eradicate
+    - name: Run linters
       run: |
+        black --check .
         flake8 .

.codecov.yml

@@ -4,6 +4,7 @@
 
 Copyright (c) 2017-2018, NEGORO Tetsuya (https://github.com/ngr-t)
 """
+
 import re
 from collections import defaultdict
 from datetime import datetime