[MNT] drop support for python 3.7 at EOL (#20)

Drops support for python 3.7 given EOL

.github/workflows/test.yml

@@ -68,7 +68,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
         os: [ubuntu-20.04, windows-latest, macOS-11]
     runs-on: ${{ matrix.os }}
     steps:
@@ -100,7 +100,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
         os: [ubuntu-20.04, windows-latest, macOS-11]
     runs-on: ${{ matrix.os }}
     steps:

.github/workflows/wheels.yml

@@ -34,7 +34,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-20.04, macOS-11]
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11']
+        python-version: ['3.8', '3.9', '3.10', '3.11']
 
     steps:
       - uses: actions/checkout@v3
@@ -65,11 +65,6 @@ jobs:
       matrix:
         include:
           # Window 64 bit
-          - os: windows-2019
-            python: 37
-            python-version: '3.7'
-            bitness: 64
-            platform_id: win_amd64
           - os: windows-2019
             python: 38
             python-version: '3.8'

pyproject.toml

@@ -33,13 +33,12 @@ classifiers = [
     "Operating System :: POSIX",
     "Operating System :: Unix",
     "Operating System :: MacOS",
-    "Programming Language :: Python :: 3.7",
     "Programming Language :: Python :: 3.8",
     "Programming Language :: Python :: 3.9",
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
 ]
-requires-python = ">=3.7,<3.12"
+requires-python = ">=3.8,<3.12"
 dependencies = [
     "numpy>=1.21.0,<1.25",
     "pandas>=1.1.0",