Release v5.3.1

What's Changed

• Add instant payment to setOptions test by @RikudouSage in #45
• Add funding by @RikudouSage in #46
• Added link to Hungarian QR payment generator by @hubipe in #48
• Bump required qr code provider version by @RikudouSage in #50

New Contributors

• @hubipe made their first contribution in #48

Full Changelog: v5.3.0...v5.3.1