Update dependency org.jetbrains.kotlinx:kotlinx-serialization-json to v1.4.0

[juul-mobile-bot]

This PR contains the following updates:

Package	Type	Update	Change
org.jetbrains.kotlinx:kotlinx-serialization-json	dependencies	minor	1.3.3 -> 1.4.0

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Release Notes

Kotlin/kotlinx.serialization

v1.4.0

==================

This release contains all features and bugfixes from 1.4.0-RC plus some bugfixes on its own (see below).
Kotlin 1.7.10 is used as a default.

Bugfixes

• Fixed decoding of huge JSON data for okio streams (#​2006)

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Configuration

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This PR has been generated by Renovate Bot.

[codecov]

Codecov Report

Merging #142 (b0d6685) into main (56a59f1) will increase coverage by 0.36%.
The diff coverage is 45.45%.

❗ Current head b0d6685 differs from pull request most recent head 8509094. Consider uploading reports for the commit 8509094 to get more accurate results

@@             Coverage Diff              @@
##               main     #142      +/-   ##
============================================
+ Coverage     57.25%   57.62%   +0.36%     
  Complexity       11       11              
============================================
  Files             8        8              
  Lines           613      656      +43     
  Branches        145      145              
============================================
+ Hits            351      378      +27     
- Misses          223      239      +16     
  Partials         39       39              

Impacted Files	Coverage Δ
koap/src/commonMain/kotlin/Encoder.kt	71.69% <ø> (+3.27%)	⬆️
koap/src/commonMain/kotlin/ToFormat.kt	26.31% <ø> (ø)
koap/src/commonMain/kotlin/Debug.kt	26.08% <25.00%> (-1.19%)	⬇️
koap/src/commonMain/kotlin/Message.kt	57.44% <33.33%> (-1.79%)	⬇️
koap/src/commonMain/kotlin/ByteArrayReader.kt	68.08% <66.66%> (-0.10%)	⬇️
koap/src/commonMain/kotlin/Decoder.kt	53.74% <66.66%> (+1.62%)	⬆️
koap/src/commonMain/kotlin/Header.kt	50.00% <100.00%> (ø)
... and 3 more

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