Update minimum python version to 3.10 because of key parameter in bisect.insort_left

Author: MightyHelper

.github/workflows/ci.yml

@@ -11,7 +11,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12"]
+        python-version: ["3.10", "3.11", "3.12"]
 
     steps:
     - uses: actions/checkout@v4
@@ -49,4 +49,4 @@ jobs:
       run: tox -e lint
 
     - name: Check formatting with ruff
-      run: tox -e format-check
+      run: tox -e format-check