ci: add Anaconda 3.12 and 3.13

Let's complete the matrix.

Author: indygreg

.github/workflows/anaconda.yml

@@ -12,6 +12,8 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
+          - '3.12'
+          - '3.13'
     runs-on: 'ubuntu-22.04'
     env:
       # Enable fuzzing tests, other expensive tests.
@@ -58,6 +60,8 @@ jobs:
           - '3.9'
           - '3.10'
           - '3.11'
+          - '3.12'
+          - '3.13'
     runs-on: 'windows-2022'
     env:
       # Enable fuzzing tests, other expensive tests.

docs/news.rst

@@ -65,6 +65,7 @@ Changes
 * PyO3 Rust crate upgraded from 0.21 to 0.22 (#257) and later to 0.24.
 * Removed CI coverage for PyPy 3.9.
 * Added CI coverage for PyPy 3.11.
+* Added CI coverage for Anaconda 3.12 and 3.13 on Linux and Windows x86-64.
 
 Backwards Compatibility Notes
 -----------------------------