chore: update python-wasm to 0.28.3

Author: sbelluzzo

docs/docs/languages/python-wasm.mdx

@@ -101,7 +101,7 @@ Check the [starter template](#starter-template) for an example.
 
 ### Version
 
-Pyodide v0.25.1, running Python v3.11.3
+Pyodide v0.28.3, running Python v3.13.2
 
 ## Code Formatting
 

src/livecodes/vendors.ts

@@ -354,7 +354,7 @@ export const prismThemesLaserWaveUrl = /* @__PURE__ */ getUrl(
 );
 
 export const pyodideBaseUrl = /* @__PURE__ */ getUrl(
-  'https://cdn.jsdelivr.net/pyodide/v0.25.1/full/',
+  'https://cdn.jsdelivr.net/pyodide/v0.28.3/full/',
 );
 
 export const qrcodeUrl = /* @__PURE__ */ getUrl('easyqrcodejs@4.6.1/dist/easy.qrcode.min.js');