Drop Python 3.6 & 3.7 from CI

Author: ivankravets

.github/workflows/core.yml

@@ -8,12 +8,7 @@ jobs:
       fail-fast: false
       matrix:
         os: [ubuntu-latest, windows-latest, macos-latest]
-        python-version: ["3.6", "3.7", "3.11", "3.12", "3.13.0-rc.2"]
-        exclude:
-          - os: macos-latest
-            python-version: "3.6"
-          - os: macos-latest
-            python-version: "3.7"
+        python-version: ["3.11", "3.12", "3.13.0-rc.2"]
 
     runs-on: ${{ matrix.os }}
 
@@ -36,11 +31,6 @@ jobs:
         run: |
           tox -e py
 
-      - name: Python Lint
-        if: ${{ matrix.python-version != '3.6' && matrix.python-version != '3.7' }}
-        run: |
-          tox -e lint
-
       - name: Integration Tests
         if: ${{ matrix.python-version == '3.11' }}
         run: |