chore: Upgrade deps

[CelticMajora]

📰 Summary of changes

• Updates dart to 2.15.0
• upgrades dio
• upgrades test

Reviewers

/domain @Betterment/charlatan-maintainers
/no-platform

[nanda-prbot]

Needs somebody from @Betterment/charlatan-maintainers to claim domain review

Use the shovel operator to claim, e.g.:

@myname << domain && platform

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[github-actions]

LCOV of commit acc1c98 during CI #33

Summary coverage rate:
  lines......: 95.3% (82 of 86 lines)
  functions..: no data found
  branches...: no data found

Files changed coverage rate: n/a

[samandmoore]

LGTM!

[samandmoore]

we probably need to cut a release with this huh?

wanna pair up on that? I wanna make sure you can do that too since I'm going on leave soon hehe

[samandmoore]

<<domainlgtm

[nanda-prbot]

Approved! 👍 🍕 🎆

[CelticMajora]

we probably need to cut a release with this huh?

wanna pair up on that? I wanna make sure you can do that too since I'm going on leave soon hehe

Sure, probably should do that for better_test_reporter as well.