bump serialization version

[kiftio]

What changes are you making?

Bumps the Android library’s kotlinx-serialization-json dependency from 1.6.3 to 1.7.3.

1.7.3 is the latest serialization runtime line that matches our current compatibility target: the Android SDK is compiled with a newer Kotlin 2.x compiler, but its published Kotlin apiVersion /
languageVersion remain pinned to Kotlin 2.0 for consumer compatibility. Newer kotlinx serialization releases move onto newer Kotlin baselines, so this keeps the runtime reasonably current without raising the
Kotlin consumer floor.

Also updates Dependabot rules to allow 1.7.x updates while continuing to block 1.8+ until we intentionally raise the Kotlin API/language floor.

Verification

• ./gradlew :lib:test :lib:apiCheck
• git -c core.fsmonitor=false diff --check

How to test

---

Before you merge

Important

• I've added tests to support my implementation
• I have read and agree with the Contribution Guidelines
• I have read and agree with the Code of Conduct
• I've updated the relevant platform README (platforms/swift/README.md and/or platforms/android/README.md)

---

Releasing a new Swift version?

• I have bumped the version in ShopifyCheckoutKit.podspec
• I have bumped the version in platforms/swift/Sources/ShopifyCheckoutKit/ShopifyCheckoutKit.swift
• I have updated platforms/swift/CHANGELOG.md
• I have updated the SwiftPM/CocoaPods version snippets in platforms/swift/README.md (major version only)

Releasing a new Android version?

• I have bumped the versionName in platforms/android/lib/build.gradle
• I have updated platforms/android/CHANGELOG.md
• I have updated the Gradle/Maven version snippets in platforms/android/README.md

Tip

See the Contributing documentation for the full release process per platform.

[kiftio]

• raise minsdk in react native #208
• bump serialization version #207 👈 (View in Graphite)
• drop deprecated android.nonFinalResIds opt-out #80
• [android][breaking]Target jvm 11 #79
• [android][breaking] compile with kotlin 2.x and raise api / language version #75
• main

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[github-actions]

React Native — Coverage Report

Lines	Statements	Branches	Functions
	96.76% (239/247)	91.02% (142/156)	100% (64/64)

[kiftio]

Merge activity

• May 26, 2:09 PM UTC: A user started a stack merge that includes this pull request via Graphite.
• May 26, 2:11 PM UTC: Graphite rebased this pull request as part of a merge.
• May 26, 2:27 PM UTC: Graphite couldn't merge this PR because it was not satisfying all requirements (Failed CI: 'CI Required', 'React Native / Run Android Tests').