Add Python 3.13 too

Author: krassowski

.github/workflows/tests.yml

@@ -11,7 +11,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest]
-        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']
     runs-on: ${{ matrix.os }}
     steps:
     - uses: actions/checkout@v4

README.md

@@ -6,7 +6,7 @@
 
 On the fly conversion of Python docstrings to markdown
 
-- Python 3.6+ (tested on 3.8 up to 3.12)
+- Python 3.6+ (tested on 3.8 up to 3.13)
 - can recognise reStructuredText and convert multiple of its features to Markdown
 - since v0.13 includes initial support for Google-formatted docstrings