v2.6.8

Minor maintenance release for Skuber 2 (consider migrating straight to Skuber 3.x instead.)

What's Changed (since v2.6.7)

Improve handling of ERROR Watch events by @doriordan in https://github.com/doriordan/skuber/pull/352
Add topologySpreadConstraints to Pod spec by @c4w13y in https://github.com/doriordan/skuber/pull/413
Fixed error on missing config references by @jroper in https://github.com/doriordan/skuber/pull/425
Allow async auth providers by @jroper in https://github.com/doriordan/skuber/pull/424
Reload access tokens for in cluster config by @jroper in https://github.com/doriordan/skuber/pull/426
Added SubjectAccessReview API by @jroper in https://github.com/doriordan/skuber/pull/429
Fixed base64 format by @jroper in https://github.com/doriordan/skuber/pull/428
Update commons-io to 2.21.0 by @scala-steward in https://github.com/doriordan/skuber/pull/430
Update commons-codec to 1.20.0 by @scala-steward in https://github.com/doriordan/skuber/pull/427
Update snakeyaml to 2.5 by @scala-steward in https://github.com/doriordan/skuber/pull/418
Fix compilation errors on Scala 2.12 by @doriordan in https://github.com/doriordan/skuber/pull/431
Update various dependencies and remove no longer needed beta CRD test by @doriordan in https://github.com/doriordan/skuber/pull/432

@c4w13y made their first contribution in https://github.com/doriordan/skuber/pull/413
@scala-steward made their first contribution in https://github.com/doriordan/skuber/pull/430

Full Changelog: https://github.com/doriordan/skuber/compare/v2.6.7...v2.6.8