git-pack 0.11.0

Implements git packs and related data structures
Documentation
### 0.11.0 (2021-09-08)

- manual bump for safety as its dependencies have breaking changes

### 0.10.0 (2021-09-07)

- **renames**
   - `data::Object::into_commit_iter()` -> `data::Object::try_into_commit_iter()`
   - `data::Object::into_tree_iter()` -> `data::Object::try_into_tree_iter()`
   - `data::Object::into_tag_iter()` -> `data::Object::try_into_tag_iter()`

### 0.9.0 (2021-08-27)

- **renames / moves / visibility**
   - `find::Find`  and `find::FindExt` only in `Find` and `FindExt` (not in `find` anymore)
   - `data::output::count::Count` -> `data::output::Count`
   - `data::output::entry::Entry` -> `data::output::Entry`
   - `Find::find_existing_*` -> `Find::find_*`
   - `Find::find_existing_*` -> `Find::find_*`
   - `Find::find()-> `Find::try_find()`
   - `bundle::Bundle` -> `Bundle`
   - `bundle::Error` -> `bundle::init::Error`
   - `pub tree::` -> `pub(crate) cache::delta::`
   - `data::object::Object` -> `data::Object`
   - `data::entry::Entry` -> `data::Entry`

* **new methods**
   - `Find::find_tag_iter()`