build(CI): fix python version

Author: ZhymabekRoman

.github/workflows/page-build.yml

@@ -12,7 +12,7 @@ jobs:
       - uses: actions/checkout@v3
       - uses: actions/setup-python@v4
         with:
-          python-version: 3.x
+          python-version: 3.13
       - uses: actions/cache@v2
         with:
           key: ${{ github.ref }}
@@ -24,4 +24,4 @@ jobs:
       - name: Install dependencies
         run: poetry install
       - name: Deploy MkDocs
-        run: poetry run mkdocs gh-deploy --force
+        run: poetry run mkdocs gh-deploy --force