python: Bump up to v3.10.3

.github/workflows/windows-build.yml

@@ -22,7 +22,7 @@ jobs:
 
       - uses: actions/setup-python@v3
         with:
-          python-version: "3.10.2"
+          python-version: "3.10.3"
           architecture: "x86"
 
       - name: Install python tools

.python-version

@@ -1 +1 @@
-3.10.2
+3.10.3

ChangeLog.md

@@ -9,7 +9,7 @@ produce the Windows executables and installer.
 
 ---
 
-* We now test against, and package with, Python 3.10.2.
+* We now test against, and package with, Python 3.10.3.
 
   **As a consequence of this we no longer support Windows 7.  
   This is due to
@@ -27,6 +27,8 @@ produce the Windows executables and installer.
 
 ---
 
+* We now test against, and package with, Python 3.10.3.
+
 Release 5.3.3
 ===
 

docs/Releasing.md

@@ -40,8 +40,8 @@ You will need several pieces of software installed, or the files from their
  auto-select some others).  NB: If you have need to uninstall this it's
  "Windows Software Development Kit - Windows 10.0.19041.1" in
  "Apps & Features", *not* "Windows SDK AddOn".
-1. [Python](https://python.org): 32-bit version of Python 3.9 for Windows.
- [v3.9.5](https://www.python.org/downloads/release/python-395/) is the most
+1. [Python](https://python.org): 32-bit version of Python 3.10 for Windows.
+ [v3.10.3](https://www.python.org/downloads/release/python-3103/) is the most
  recently tested version.  You need the `Windows x86 executable installer`
  file, for the 32-bit version.  Double-check the version against the
    `.python.version` file, as it should always contain the intended version.