Update dependency com.willowtreeapps.assertk:assertk to v0.28.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.willowtreeapps.assertk:assertk	0.27.0 -> 0.28.0

---

Release Notes

willowtreeapps/assertk (com.willowtreeapps.assertk:assertk)

v0.28.0

Changed

• Minimum supported kotlin version is 1.9.21
• Rename isSameAs/isNotSameAs to isSameInstanceAs/isNotSameInstanceAs to make it more clear they
  use are about instance identity, old name is deprecated
• Rename containsAll to containsAtLeast to make it more clear that the collection can contain additional elements,
  old name is deprecated
• Bytes are shown as hex on all supported platforms (previously it was only on the jvm)
• If isEqualTo fails and the expected and actual display the same string, print a disambiguation message, ex:
  expected:<4> with type: but was type: with the same string representation

Breaking Changes

• Binary-breaking change as previous error-level deprecations were removed

Added

• Added doesNotContainKey assertion for Map

Fixed

• Fixed incorrect usage of contains in some kdoc examples
• Exceptions being swallowed if thrown in a soft assertion block
• More correctly re-throw fatal error in the jvm

---

Configuration

📅 Schedule: Branch creation - At any time (no schedule defined), Automerge - At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻ Rebasing: Whenever PR becomes conflicted, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by Mend Renovate. View repository job log here.