update funding info

Author: nicolaasuni

README.md

@@ -18,9 +18,9 @@
 [![Coverage Status](https://coveralls.io/repos/github/tecnickcom/rndpwd/badge.svg?branch=main)](https://coveralls.io/github/tecnickcom/rndpwd?branch=main)
 [![Go Report Card](https://goreportcard.com/badge/github.com/tecnickcom/rndpwd)](https://goreportcard.com/report/github.com/tecnickcom/rndpwd)
 
-[![Donate via PayPal](https://img.shields.io/badge/donate-paypal-87ceeb.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&currency_code=GBP&business=paypal@tecnick.com&item_name=donation%20for%20rndpwd%20project)
-*Please consider supporting this project by making a donation via [PayPal](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&currency_code=GBP&business=paypal@tecnick.com&item_name=donation%20for%20rndpwd%20project)*
+[![Sponsor on GitHub](https://img.shields.io/badge/sponsor-github-EA4AAA.svg?logo=githubsponsors&logoColor=white)](https://github.com/sponsors/tecnickcom)
 
+If this project is useful to you, please consider [supporting development via GitHub Sponsors](https://github.com/sponsors/tecnickcom).
 
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VERSION

@@ -1 +1 @@
-5.7.0
+5.7.1

doc/src/README.tmpl

@@ -19,9 +19,9 @@
 [![Coverage Status](https://coveralls.io/repos/github/tecnickcom/rndpwd/badge.svg?branch=main)](https://coveralls.io/github/tecnickcom/rndpwd?branch=main)
 [![Go Report Card](https://goreportcard.com/badge/github.com/tecnickcom/rndpwd)](https://goreportcard.com/report/github.com/tecnickcom/rndpwd)
 
-[![Donate via PayPal](https://img.shields.io/badge/donate-paypal-87ceeb.svg)](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&currency_code=GBP&business=paypal@tecnick.com&item_name=donation%20for%20rndpwd%20project)
-*Please consider supporting this project by making a donation via [PayPal](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&currency_code=GBP&business=paypal@tecnick.com&item_name=donation%20for%20rndpwd%20project)*
+[![Sponsor on GitHub](https://img.shields.io/badge/sponsor-github-EA4AAA.svg?logo=githubsponsors&logoColor=white)](https://github.com/sponsors/tecnickcom)
 
+If this project is useful to you, please consider [supporting development via GitHub Sponsors](https://github.com/sponsors/tecnickcom).
 
 ----------