v0.15.2 - now with Wagtail 6.1, new Romanian and updated Russian translations

What's Changed

• Wagtail Space blurb. by @FlipperPA in #239
• Fix collections import for latest Wagtail main by @zerolab in #240
• Update Russian translation by @ACK1D in #242
• Add Wagtail 6.1 fixes by @katdom13 in #243

New Contributors

• @FlipperPA made their first contribution in #239

Full Changelog: v0.15.1...v0.15.2