Milc

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- New release: 1.6.6 → 1.6.7. [Zach White]
- [ci] Updated API documentation. [Zach White]
- Upgrade all workflow versions. [Zach White]
- Upgrade workflows. [Zach White]
- Remove the trivial change. [Zach White]
- Fix the python version specification. [Zach White]
- Trivial change to kick off ci. [Zach White]
- Update to codeql 2. [Zach White]
- Remove python 3.6, add 3.10. [Zach White]
- Fix test. [Zach White]
- Fix during-initialization logging. [Zach White]
- Fix whitespace. [Zach White]
- Handle '--config-file=CONFIG_FILE' syntax (66) [Ken Bingham, Zach
White]

* handle --config-file=CONFIG_FILE syntax

* Update milc/milc.py
- Minor: changelog update. [Zach White]

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- New release: 1.6.5 → 1.6.6. [Zach White]
- [ci] Updated API documentation. [Zach White]
- Support --foo=bar options. Fixes 65. [Zach White]
- Fix the metadata documentation. [Zach White]
- Minor: changelog update. [Zach White]

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- New release: 1.6.4 → 1.6.5. [Zach White]
- Fix a bug in cli.config_source. [Zach White]

Before this change arguments that weren't passed were incorrectly marked
as `argument` instead of None.
- Minor: changelog update. [Zach White]

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- New release: 1.6.3 → 1.6.4. [Zach White]
- Change cli.echo to display ansi in passed vars too. [Zach White]
- Minor: changelog update. [Zach White]

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- New release: 1.6.2 → 1.6.3. [Zach White]
- [ci] Updated API documentation. [Zach White]
- More robust detection for passed arguments (44) [Zach White]
- Minor: changelog update. [Zach White]

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- New release: 1.6.1 → 1.6.2. [Zach White]
- Add the ability to highlight values below a threshold (43) [Zach
White]

* add support for high and low thresholds

* update sparklines documentation

* update the sparkline api docs
- Minor: changelog update. [Zach White]