removed unavailable python version

Author: hvalev

.github/workflows/build.yml

@@ -13,7 +13,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
+        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v2

.github/workflows/ci.yml

@@ -12,7 +12,7 @@ jobs:
     runs-on: ubuntu-22.04
     strategy:
       matrix:
-        python-version: [3.8, 3.9, "3.10", "3.11", "3.12", "3.13"]
+        python-version: [3.8, 3.9, "3.10", "3.11", "3.12"]
     steps:
       - name: Checkout code
         uses: actions/checkout@v2