Demisto-sdk

* 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`.

* Added new validation of indicators usage in CommandResults to `XSOAR-linter`.
* Running **demisto-sdk lint** will automatically run on changed files (same behavior as the -g flag).
* Removed supported version message from the documentation when running **generate_docs**.
* Added a print to indicate backwards compatibility is being checked in **validate** command.
* Added a percent print when running the **validate** command with the *-a* flag.
* Fixed a regression in the **upload** command where it was ignoring `DEMISTO_VERIFY_SSL` env var.
* Fixed an issue where the **upload** command would fail to upload beta integrations.
* Fixed an issue where the **validate** command did not create the *id_set.json* file when running with *-a* flag.
* Added price change validation in the **validate** command.
* Added validations that checks in read-me for empty sections or leftovers from the auto generated read-me that should be changed.
* Added new code validation for *NotImplementedError* to raise a warning in `XSOAR-linter`.
* Added validation for support types in the pack metadata file.
* Added support for *--template* flag in **demisto-sdk init** command.
* Fixed an issue with running **validate** on master branch where the changed files weren't compared to previous commit when using the *-g* flag.
* Fixed an issue where the `XSOAR-linter` ran *NotImplementedError* validation on scripts.
* Added support for Auto-Extract feature validation in incident types in the **validate** command.
* Fixed an issue in the **lint** command where the *-i* flag was ignored.
* Improved **merge-id-sets** command to support merge between two ID sets that contain the same pack.
* Fixed an issue in the **lint** command where flake8 ran twice.

* Bandit now reports also on medium severity issues.
* Fixed an issue with support for Docker Desktop on Mac version 2.5.0+.
* Added support for vulture and mypy linting when running without docker.
* Added support for *prev-ver* flag in **update-release-notes** command.
* Improved retry support when building docker images for linting.
* Added the option to create an ID set on a specific pack in **create-id-set** command.
* Added the *--skip-id-set-creation* flag to **validate** command in order to add the capability to run validate command without creating id_set validation.
* Fixed an issue where **validate** command checked docker image tag on ApiModules pack.
* Fixed an issue where **find-dependencies** did not calculate dashboards and reports dependencies.
* Added supported version message to the documentation and release notes files when running **generate_docs** and **update-release-notes** commands respectively.
* Added new code validations for *NotImplementedError* exception raise to `XSOAR-linter`.
* Command create-content-artifacts additional support for **Author_image.png** object.
* Fixed an issue where schemas were not enforced for incident fields, indicator fields and old layouts in the validate command.
* Added support for **update-release-notes** command to update release notes according to master branch.