Fix Gradle 10 deprecations in build scripts

[ggrell]

Summary

• replace deprecated Groovy space-assignment syntax with explicit property assignment in Android/sample build scripts
• update detekt report output paths to use layout-based file providers instead of deprecated reporting file API
• keep behavior unchanged while removing Gradle 10 deprecation warnings from project scripts

Validation

• ./gradlew help --warning-mode all

[github-actions]

	Messages
📖	JUnit: 27 tests, 0 failures/errors, 0 skipped.
📖	Static analysis summary: Detekt 0, Android Lint 0.

Generated by 🚫 Danger Kotlin against 1bb6161

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 88.11%. Comparing base (e48c425) to head (1bb6161).
⚠️ Report is 2 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main     #337   +/-   ##
=========================================
  Coverage     88.11%   88.11%           
  Complexity       50       50           
=========================================
  Files             9        9           
  Lines           101      101           
=========================================
  Hits             89       89           
  Misses           12       12           

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