Beet

Fix
* Core file tweaks ([`3e64b01`](https://github.com/mcbeet/beet/commit/3e64b01e1aa4ccc2847dd357316f6f36eea240af))

Fix
* Update deps ([`d0765a7`](https://github.com/mcbeet/beet/commit/d0765a7c20134f674d2224a7d63de89cb34d4d7b))
* Remove pytest minversion ([`2b0f120`](https://github.com/mcbeet/beet/commit/2b0f12028364496de76d00ef356a7554f3077285))

Feature
* Add PluginOptions ([`d6de473`](https://github.com/mcbeet/beet/commit/d6de4736fa6eaa9a618653f4d866131d63a3b0c1))
* Use python 3.10 ([`95c419d`](https://github.com/mcbeet/beet/commit/95c419d9e5ad1a111bec782b50881baa55f9c831))

Fix
* Tweak Context.validate ([`285d89c`](https://github.com/mcbeet/beet/commit/285d89c2e9fd5cd78804f19756584b9f7c071acf))

Fix
* Expose project_directory and broadcast_directory to templates ([`779ca95`](https://github.com/mcbeet/beet/commit/779ca950be3021cd45bec237fd63bc602c32db3e))

Feature
* Fetch external objects using asset index ([`3e7d9b5`](https://github.com/mcbeet/beet/commit/3e7d9b52fb4a573ac651fa806de231e2f4438776))

Fix
* Classvar annotation for namespace files ([`1c41e0c`](https://github.com/mcbeet/beet/commit/1c41e0ce8e75734b29387164a6b00971e44905fa))