Bumping cryptography which also drops Python 3.7

While we are at it, also declaring the support for Python 3.13

Author: rayluo

.github/workflows/python-package.yml

@@ -28,7 +28,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: ['3.7', '3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
 
     steps:
     - uses: actions/checkout@v4

setup.cfg

@@ -18,12 +18,12 @@ classifiers =
     Programming Language :: Python
     Programming Language :: Python :: 3 :: Only
     Programming Language :: Python :: 3
-    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
     Programming Language :: Python :: 3.12
+    Programming Language :: Python :: 3.13
     License :: OSI Approved :: MIT License
     Operating System :: OS Independent
 
@@ -38,7 +38,7 @@ project_urls =
 include_package_data = False  # We used to ship LICENSE, but our __init__.py already mentions MIT
 packages = find:
 # Our test pipeline currently still covers Py37
-python_requires = >=3.7
+python_requires = >=3.8
 install_requires =
     requests>=2.0.0,<3
 
@@ -52,7 +52,7 @@ install_requires =
     # And we will use the cryptography (X+3).0.0 as the upper bound,
     # based on their latest deprecation policy
     # https://cryptography.io/en/latest/api-stability/#deprecation
-    cryptography>=2.5,<48
+    cryptography>=2.5,<49
 
 
 [options.extras_require]