Update Pyton client url in repos.json

[ylorph]

Description

Needed for the build to work after the python client was renamed a couple of days ago
without this change the following error will occur because of the redirect happening at github side;

Initializing and preparing data - failed in 856ms
error Error: ENOENT: no such file or directory, open 'D:\github\eventstore.ltd\documentation\master\docs\samples\clients\python\1.0.17\appending_events.py'
   at Object.openSync (node:fs:573:18)
   at Object.readFileSync (node:fs:452:35)
   at resolveImportCode (file:///D:/github/eventstore.ltd/documentation/master/docs/.vuepress/config.ts.509a65db.mjs:746:27)
   at md.renderer.rules.import_code (file:///D:/github/eventstore.ltd/documentation/master/docs/.vuepress/config.ts.509a65db.mjs:854:44)
   at Renderer.render (file:///D:/github/eventstore.ltd/documentation/master/node_modules/.pnpm/markdown-it@14.1.0/node_modules/markdown-it/lib/renderer.mjs:313:28)

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[Deflaimun]

ty for the change @ylorph