Update maitake-sync to 0.3.0, bump bbqueue to 0.7.0 (#127)

Add accessor methods for Storage trait impls (#126)

Add "capacity" accessor (#125)

`bbq2` is the new `bbqueue` (#119)

Fix links (#118)

[bbq2]: Minimal docs pass (#117)

Merge pull request #116 from jamesmunns/james/bbq2-primary

gha syntax

Move old bbqueue to "legacy"

Merge pull request #114 from jamesmunns/james/bbq2-v0_4_3-prep

Prep for bbq2/v0.4.3 release

Update docs and metadata

Merge pull request #109 from Sympatron/is_empty

Merge pull request #110 from jamesmunns/james/bbq2/import

Remove tsan test for now