Add Python 3.9.1 to lint and test workflows

Author: Евгений Блинов

.github/workflows/lint.yml

@@ -7,7 +7,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "3.15.0-alpha.1"]
+        python-version: ["3.8", "3.9", "3.9.1", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "3.15.0-alpha.1"]
 
     steps:
       - uses: actions/checkout@v4

.github/workflows/tests_and_coverage.yml

@@ -8,7 +8,7 @@ jobs:
     strategy:
       matrix:
         os: [macos-latest, ubuntu-latest, windows-latest]
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "3.15.0-alpha.1"]
+        python-version: ["3.8", "3.9", "3.9.1", "3.10", "3.11", "3.12", "3.13", "3.14", "3.14t", "3.15.0-alpha.1"]
 
     steps:
       - uses: actions/checkout@v4