Python 3.12 -> 3.13

Author: entorb

.github/workflows/check-and-make.yml

@@ -49,7 +49,7 @@ jobs:
       - name: Python set up
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
           cache: "pip"
 
       - name: Check chapters for known issues
@@ -92,7 +92,7 @@ jobs:
       - name: Python set up
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
           cache: "pip"
 
       - name: Speed up apt-get steps

.github/workflows/create-release.yml

@@ -52,7 +52,7 @@ jobs:
       - name: Python set up
         uses: actions/setup-python@v5
         with:
-          python-version: "3.12"
+          python-version: "3.13"
           cache: "pip"
 
       - name: Check chapters for known issues

.pre-commit-config.yaml

@@ -85,4 +85,4 @@ repos:
         args: ["--disable", "MD013"]
 
 default_language_version:
-  python: python3.12
+  python: python3.13

.ruff.toml

@@ -1,6 +1,6 @@
 fix = true               # auto-fix findings
 line-length = 88         # same as Black
-target-version = "py312" # Python 3.12
+target-version = "py313" # Python 3.13
 
 [lint]
 # comment this out to use only default rules (["E4", "E7", "E9", "F"])