internal: Use Scala 3's new wildcard import * syntax

[xerial]

• internal: Use the new wildcard import syntax (*) in Scala 3 - https://dotty.epfl.ch/docs/reference/changed-features/imports.html
  • This syntax is supported in Scala 2 by setting "-Xsource:3" scalac option
• Add a scalafmt configuration to use the new syntax and refomat the code

[codecov]

Codecov Report

Merging #3206 (0db68bb) into main (8fb31a4) will not change coverage.
The diff coverage is n/a.

Additional details and impacted files

@@           Coverage Diff           @@
##             main    #3206   +/-   ##
=======================================
  Coverage   82.89%   82.89%           
=======================================
  Files         350      350           
  Lines       14746    14746           
  Branches     2392     2392           
=======================================
  Hits        12224    12224           
  Misses       2522     2522           

Files Changed	Coverage Δ
...wvlet/airframe/canvas/OffHeapMemoryAllocator.scala	89.28% <ø> (ø)
...ain/scala/wvlet/airframe/canvas/UnsafeCanvas.scala	89.58% <ø> (ø)
...rc/main/scala/wvlet/airframe/codec/JDBCCodec.scala	82.82% <ø> (ø)
...ain/scala/wvlet/airframe/codec/JavaTimeCodec.scala	100.00% <ø> (ø)
...main/scala-2/wvlet/airrame/codec/ScalaCompat.scala	100.00% <ø> (ø)
...n/scala/wvlet/airframe/codec/CollectionCodec.scala	86.45% <ø> (ø)
...rc/main/scala/wvlet/airframe/codec/JSONCodec.scala	90.90% <ø> (ø)
...in/scala/wvlet/airframe/codec/MessageContext.scala	75.36% <ø> (ø)
.../main/scala/wvlet/airframe/codec/ObjectCodec.scala	72.00% <ø> (ø)
...in/scala/wvlet/airframe/codec/PrimitiveCodec.scala	83.30% <ø> (ø)
... and 118 more

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