feat: remove python 3.8 support

.github/workflows/build.yaml

@@ -15,10 +15,10 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.9", "3.10", "3.11", "3.12", "3.13"]
         experimental: [false]
         include:
-        - python-version: "3.13-dev"
+        - python-version: "3.14-dev"
           os: ubuntu-latest
           experimental: true
 
@@ -41,7 +41,7 @@ jobs:
         continue-on-error: ${{ matrix.experimental }}
 
       - name: upload coverage to Codecov
-        if: "matrix.python-version == '3.12'"
+        if: "matrix.python-version == '3.13'"
         uses: codecov/codecov-action@v3
         with:
           token: ${{ secrets.CODECOV_TOKEN }}

changelog.d/20250115_125131_ryuusuke.rst

@@ -0,0 +1,34 @@
+.. A new scriv changelog fragment.
+..
+.. Uncomment the header that is right (remove the leading dots).
+
+Removed
+-------
+
+- Removed support for Python 3.8
+
+.. Added
+.. -----
+..
+.. - A bullet item for the Added category.
+..
+.. Changed
+.. -------
+..
+.. - A bullet item for the Changed category.
+..
+.. Deprecated
+.. ----------
+..
+.. - A bullet item for the Deprecated category.
+..
+.. Fixed
+.. -----
+..
+.. - A bullet item for the Fixed category.
+
+Security
+--------
+
+- Updated version dependencies
+