Found a tow hook license plate holder that fits. Advertised for new Jettas but the bolt fits the ID4 too : r/VWiD4Owners

No drilling license plate mounting kits for Volkswagen ID.4 – YURIK Accessories

Extreme Online Store Replacement for 2015-2018 Volkswagen Jetta NCS New Compact Sedan SE EOS Plate Version 2 Full Sized Front Bumper Tow Hook License Plate Relocator Mount Bracket Tow-277-V2

TRUE No-drill License Plate holder mount bracket relocator

2019-Up Volkswagen Jetta Tow Hook License Plate Mount Bracket – EOS Plates

VW ID.4 Owners Club

The no-drilling rear license plate mounting brackets for Volkswagen ID.4 is a durable and high-quality accessory that allows you to mount your license

No drilling license plate mounting kits for Volkswagen ID.4

No drilling rear license plate mount saves the rear bumper from drilling holes to mount the license plate for VW ID.4 Includes high quality stainless

No Drill Rear License Plate Mounting Bracket for VW ID.4

EOS For 19-Up Volkswagen Jetta ALL, Full Sized Tow Hook License Plate Bracket

EOS For 19-Up Volkswagen Jetta ALL, Full Sized Tow Hook License Plate Bracket