Bump minimum Python to 3.8

3.8 will also have to be removed soon, but it can stay for now.

There will probably not be a release made with just this change, but
it'll fix builds for now.

.github/workflows/manylinux1.yml

@@ -10,7 +10,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '>=3.7 <3.13'
+        python-version: '>=3.8 <3.13'
     - name: install MeCab
       run: |
         git clone --depth=1 https://github.com/taku910/mecab.git
@@ -39,7 +39,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '>=3.7 <3.13'
+        python-version: '>=3.8 <3.13'
     - name: build array of wheels
       uses: ./.github/workflows/actions/build-manylinux/
     - name: Upload Wheels
@@ -66,7 +66,7 @@ jobs:
     - name: Set up Python
       uses: actions/setup-python@v5
       with:
-        python-version: '>=3.7 <3.13'
+        python-version: '>=3.8 <3.13'
     - name: Set up QEMU
       id: qemu
       uses: docker/setup-qemu-action@v1

.github/workflows/test_manylinux.yml

@@ -8,11 +8,8 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         include:
-          - python-version: '3.7'
-            py-short: '37'
-            py-short2: '37m'
           - python-version: '3.8'
             py-short: '38'
             py-short2: '38'

.github/workflows/windows.yml

@@ -13,11 +13,8 @@ jobs:
     strategy:
       max-parallel: 5
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
         include:
-          - python-version: '3.7'
-            py-short: '37'
-            py-short2: '37m'
           - python-version: '3.8'
             py-short: '38'
             py-short2: '38'

setup.cfg

@@ -15,8 +15,6 @@ classifiers =
     Operating System :: MacOS :: MacOS X
     Programming Language :: Cython
     Programming Language :: Python :: 3
-    Programming Language :: Python :: 3.7
-    Programming Language :: Python :: 3.8
     Natural Language :: Japanese
     Topic :: Text Processing :: Linguistic
 

setup.py

@@ -43,7 +43,7 @@
           "License :: OSI Approved :: MIT License",
           "Natural Language :: Japanese",
           ],
-      python_requires='>=3.7',
+      python_requires='>=3.8',
       ext_modules=[extensions],
       data_files=data_files,
       entry_points={