Libmozevent

- mercurial: force a clean repo before updating to a specific revision. (68)
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Released with [mozilla/task-boot](https://github.com/mozilla/task-boot)

- Update pre-commit repositories
- mercurial: do not use `hg identify` where it's not needed. (67)
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Released with [mozilla/task-boot](https://github.com/mozilla/task-boot)

- Update pre-commit repositories and blackify tests/test_pulse.py (66)
- Bug 1668186 - Allow skipping avoidable pushes (65)
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Released with [mozilla/task-boot](https://github.com/mozilla/task-boot)

- utils: Remove the implementation of the retry function (60)
- Use highest Pickle protocol for storage and bus (61)
- Update pre-commit repositories
- Make pre-commit show diff on failure in the linting task
- Update pre-commit dependencies
- Update pre-commit dependencies
- Don't specify the exact version of Python 3 for running pre-commit checks
- Don't use f-strings when there are no placeholders
- Update pre-commit dependencies
- Create Dependabot config file (62)
- For Mercurial integration, re-open connection if it was lost (63)
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Released with [mozilla/task-boot](https://github.com/mozilla/task-boot)

- phabricator: Use an exponential backoff sleep time (57)
- Setup Github release notes with taskboot, fixes 58 (59)
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Released with [mozilla/task-boot](https://github.com/mozilla/task-boot)

- utils: Allow passing any iterable to run_tasks, not just lists (56)
- List aiohttp in the requirements, don't rely on it to be installed via the Taskcluster dependency (53)