Planet

Added:
- The Session class can now construct clients by name with its client method
(858).
- Updated product bundle spec to 2/24/23 version.

User Interface Changes:
- Stdin is no longer the default for CLI arguments/options that read from
stdin, string, or filename. To specify stdin, use `-`.
- planet data filter cli command outputs empty filter by default, helpers must
be specified with flags.
- (edit 2023-03-15, added) planet data search filter is specified by --filter
flag.

Changed:
- Connect retries wait time adjusted from 1sec to just shy of 1sec to
optimize distribution

Added:
- Data CLI commands: asset-get, asset-download, asset-activate, asset-wait,
search-run, search-list, search-update, search-delete
- Add AssetStatusBar reporter, use in data asset-wait cli command
- Add subscription request helper methods in python api
- Add planet subscriptions request CLI command
- Add support for base_url in subscriptions client
- Add support for MultiPolygon in orders clip tool

Fixed:
- Remove null printout from CLI subscriptions cancel command
- Update session_configuration.py to latest api

Changed:
- Auth.write() renamed to Auth.store() to match CLI command
- CLI now only sources from the configuration file
- the following functions were changed to generator functions and therefore no
longer require awaits: OrdersClient.list_orders, DataClient.search,
DataClient.run_search, SubscriptionsClient.list_results,
SubscriptionsClient.list_subscriptions.
- - CLI command planet orders request arguments have changed so only IDs is
positional, all others are flags.

Added:
- support for Sentinel-2 as a target in the harmonization tool in
orders_request
- `planet auth store` CLI command for storing authentication info
in the configuration file

Fixed:
- status option for list_subscriptions now works
- subscriptions list_results now returns more than the first page

- Add SDK identification headers to communication with servers (754).
- Add new example (example subfolder): Downloading multiple assets in
parallel (722).

- Implement python api data client asset download and supporting functions (707).
- `planet data filter` cli command outputs a valid empty filter if all
subfilters are removed (654).
- 'planet orders request' cli command now provides supported bundles for a
given item type, bundle and item type are case-insensitive, and bundle and
item type are moved to positional arguments (680).

- A change in behavior of httpx affected download of order assets in 2.0a2.
We're working around this change in behavior (685).
- Subscriptions API methods communicating with particular subscription
endpoints (cancel_subscription, update_subscription, get_subscription, and
get_results) were broken due to missing 'f' prefixes (687). The prefixes
have been added.
- STAC metadata can now be added to Orders requests (676).
- More help and better error messages around bundles and asset types have been
added to the Orders API (650, 675).
- Help for planet-subscriptions-describe and update commands has been
corrected, resolving the issue reported in 658.