XMC-for-Arduino V3.0.0

What's Changed

• Device check and mem check by @boramonideep in #246
• Add py install requirement by @jaenrig-ifx in #251
• Refactor release ci by @jaenrig-ifx in #252
• added wait for ACK after a I2C transaction by @boramonideep in #250
• Sd card change by @OlafFilies in #255
• V3.x changes into master by @boramonideep in #254
• SPI SD and timeout I2C by @jaenrig-ifx in #256
• • fixed implementation of transfer(buf, count) to match standard Ardu… by @RudolphRiedel in #249
• Fix xmc flasher by @boramonideep in #261

New Contributors

• @OlafFilies made their first contribution in #255
• @RudolphRiedel made their first contribution in #249

Full Changelog: V2.2.0...V3.0.0