v2.2.0: Counter storage to prevent TOTP replay

What's Changed

• Updated GitHub actions 'upload-artifact' step to new v4 by @BastiaanJansen in #91
• Add optional CounterStorage to prevent TOTP replay #69 by @Jaaap in #90
• Replace + with %20 to comply with URI spec by @cw-q-dev in #89

New Contributors

• @Jaaap made their first contribution in #90
• @cw-q-dev made their first contribution in #89

Full Changelog: v2.1.0...v2.2.0