Release of version 0.73.6

[khebhut[bot]]

Hey, @harshad16!

Creating requested release.

Closes: #2742

Changelog:
* 853c37a ':arrow_up: Automatic update of dependencies by Kebechet for the rhel-8 environment'
* 321adf2 Fix NULL values considered distinct by Postgres < 15 by adding the postgresql_where parameter to the python_package_version_entity_idx (see link to doc in code)
* 5418bed Fix mypy errors
* 36a0ad1 Apply https://github.com/hauntsaninja/no_implicit_optional
* dbf3e6c Fix mypy configuration
* 290ab53 Fix flake8 errors ('Exceptions must have Error suffix')
* 2334b2e Remove unused exceptions
* bc6a502 Update + fix pre-commit config
* d02f64a :arrow_up: Automatic update of dependencies by Kebechet for the rhel-8 environment
* b697afa :arrow_up: Automatic update of dependencies by Kebechet for the rhel-8 environment
* 7092dec :arrow_up: Automatic update of dependencies by Kebechet for the rhel-8 environment
* dd6c2a7 :arrow_up: Automatic update of dependencies by Kebechet for the rhel-8 environment
* ae11d22 Ignore storages.graph type errors
* 03b531a Inspections: factorize constructor.
* 6060262 Fix incompatible method overload for AnalysisByDigest
* 0cd11dc Light refactor on security_indicator utilities
* 6aa1eec Proper typing for security indicators
* 0b45759 Remove unused code
* 590a8ab Fix incompatible child class method override
* 8ded948 Fix type inconsistency with explicit conversion
* c10b40b sync: More precise handlers types
* 3e6d529 sync: remove unused parameters and refactor
* 0449a70 Fix bad import
* 234e8d8 Fix type confusion (same var name, different types)
* 6e7061b CephCache
* ec8b10b dependency_monkeys
* 33a6bca Trying to fix get_document_* on solvers
* ab70c50 Use TypedDict for reifying "all or nothing" for solver infos
* 76f3719 S3Resource typing
* 83e2596 mypy: exclude docs
* 0f16910 Enable mypy and put its config in pyproject.toml

Environment details

Kebechet version: 1.11.2 Python version: 3.8.13 Platform: Linux-4.18.0-305.34.2.el8_4.x86_64-x86_64-with-glibc2.2.5 pipenv version: pipenv, version 2020.11.15

[sesheta]

[APPROVALNOTIFIER] This PR is APPROVED

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This pull-request has been approved by: sefkhet-abwy[bot]

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Needs approval from an approver in each of these files: - **[OWNERS](https://github.com/thoth-station/storages/blob/master/OWNERS)** Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[sesheta]

[APPROVALNOTIFIER] This PR is APPROVED

Approval requirements bypassed by manually added approval.

This pull-request has been approved by: sefkhet-abwy[bot]

The full list of commands accepted by this bot can be found here.

The pull request process is described here

Needs approval from an approver in each of these files: - **[OWNERS](https://github.com/thoth-station/storages/blob/master/OWNERS)** Approvers can indicate their approval by writing `/approve` in a comment Approvers can cancel approval by writing `/approve cancel` in a comment

[sesheta]

Hi @khebhut[bot]. Thanks for your PR.

I'm waiting for a thoth-station member to verify that this patch is reasonable to test. If it is, they should reply with /ok-to-test on its own line. Until that is done, I will not automatically test new commits in this PR, but the usual testing commands by org members will still work. Regular contributors should join the org to skip this step.

Once the patch is verified, the new status will be reflected by the ok-to-test label.

I understand the commands that are listed here.

Instructions for interacting with me using PR comments are available [here](https://git.k8s.io/community/contributors/guide/pull-requests.md). If you have questions or suggestions related to my behavior, please file an issue against the [kubernetes/test-infra](https://github.com/kubernetes/test-infra/issues/new?title=Prow%20issue:) repository.