Demisto-sdk

* Fixed an issue where merge id_set was not updated to work with the new entity of Packs.
* Added a validation that the playbook's version matches the version of its sub-playbooks, scripts, and integrations.

* Changed the *skip-id-set-creation* flag to *create-id-set* in the **validate** command. Its default value will be False.
* Added support for the 'cve' reputation command in default arg validation.
* Filter out generic and reputation command from scripts and playbooks dependencies calculation.
* Added support for the incident fields in outgoing mappers in the ID set.
* Added a validation that the taskid field and the id field under the task field are both from uuid format and contain the same value.
* Updated the **format** command to generate uuid value for the taskid field and for the id under the task field in case they hold an invalid values.
* Exclude changes from doc_files directory on validation.
* Added a validation that an integration command has at most one default argument.
* Fixing an issue where pack metadata version bump was not enforced when modifying an old format (unified) file.
* Added validation that integration parameter's display names are capitalized and spaced using whitespaces and not underscores.
* Fixed an issue where beta integrations where not running deprecation validations.
* Allowed adding additional information to the deprecated description.
* Fixing an issue when escaping less and greater signs in integration params did not work as expected.

* Added a validation that the classifier of an integration exists.
* Added a validation that the mapper of an integration exists.
* Added a validation that the incident types of a classifier exist.
* Added a validation that the incident types of a mapper exist.
* Added support for *text* argument when running **demisto-sdk update-release-notes** on the ApiModules pack.
* Added a validation for the minimal version of an indicator field of type grid.
* Added new validation for incident and indicator fields in classifiers mappers and layouts exist in the content.
* Added cache for get_remote_file to reducing failures from accessing the remote repo.
* Fixed an issue in the **format** command where `_dev` or `_copy` suffixes weren't removed from the `id` of the given playbooks.
* Playbook dependencies from incident and indicator fields are now marked as optional.
* Mappers dependencies from incident types and incident fields are now marked as optional.
* Classifier dependencies from incident types are now marked as optional.
* Updated **demisto-sdk init** command to no longer create `created` field in pack_metadata file
* Updated **generate-docs** command to take the parameters names in setup section from display field and to use additionalinfo field when exist.
* Using the *verbose* argument in the **find-dependencies** command will now log to the console.
* Improved the deprecated message validation required from integrations.
* Fixed an issue in the **generate-docs** command where **Context Example** section was created when it was empty.

* Added allowed ignore errors to the *IDSetValidator*.
* Fixed an issue where an irrelevant id_set validation ran in the **validate** command when using the *--id-set* flag.
* Fixed an issue were **generate-docs** command has failed if a command did not exist in commands permissions file.
* Improved a **validate** command message for missing release notes of api module dependencies.

* Added the *ID101* to the allowed ignored errors.

* SDK repository is now mypy check_untyped_defs complaint.
* The lint command will now ignore the unsubscriptable-object (E1136) pylint error in dockers based on python 3.9 - this will be removed once a new pylint version is released.
* Added an option for **format** to run on a whole pack.
* Added new validation of unimplemented commands from yml in the code to `XSOAR-linter`.
* Fixed an issue where Auto-Extract fields were only checked for newly added incident types in the **validate** command.
* Added a new warning validation of direct access to args/params dicts to `XSOAR-linter`.