Add Python 3.13 to test coverage (#16)

Author: knovichikhin

.github/workflows/coverage.yml

@@ -13,7 +13,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ['3.10']
+        python-version: ['3.13']
     steps:
       - name: Clone Repository (Latest)
         uses: actions/checkout@v4

.github/workflows/test.yml

@@ -17,7 +17,7 @@ jobs:
     strategy:
       max-parallel: 4
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12',
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13',
                          'pypy3.9', 'pypy3.10']
     steps:
       - name: Clone Repository (Latest)

setup.py

@@ -11,6 +11,7 @@
     "Programming Language :: Python :: 3.10",
     "Programming Language :: Python :: 3.11",
     "Programming Language :: Python :: 3.12",
+    "Programming Language :: Python :: 3.13",
     "Programming Language :: Python :: Implementation :: CPython",
     "Programming Language :: Python :: Implementation :: PyPy",
     "Topic :: Security :: Cryptography",