ci(tests,docs) Python 3.13

See also: https://docs.python.org/3/whatsnew/3.13.html

Author: tony

.github/workflows/docs.yml

@@ -10,7 +10,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.12']
+        python-version: ['3.13']
     steps:
       - uses: actions/checkout@v4
 

.github/workflows/tests.yml

@@ -9,7 +9,7 @@ jobs:
     runs-on: ubuntu-latest
     strategy:
       matrix:
-        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12']
+        python-version: ['3.8', '3.9', '3.10', '3.11', '3.12', '3.13']
         docutils-version: ['0.18', '0.19']
     steps:
       - uses: actions/checkout@v4
@@ -56,7 +56,7 @@ jobs:
 
     strategy:
       matrix:
-        python-version: ['3.12']
+        python-version: ['3.13']
 
     steps:
       - uses: actions/checkout@v4