Update dependency com.google.devtools.ksp to v1.9.21-1.0.16

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.google.devtools.ksp (source)	1.9.21-1.0.15 -> 1.9.21-1.0.16

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Release Notes

google/ksp (com.google.devtools.ksp)

### [`v1.9.21-1.0.16`](https://togithub.com/google/ksp/releases/tag/1.9.21-1.0.16) [Compare Source](https://togithub.com/google/ksp/compare/1.9.21-1.0.15...1.9.21-1.0.16) ##### Issue fixed [#​1653](https://togithub.com/google/ksp/issues/1653) KSP 1.9.21-1.0.15 leaking memory and causing OOMs

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Configuration

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[github-actions[bot]]

OLD: app-madani-debug.apk (signature: V1, V2)
NEW: app-madani-debug.apk (signature: V1, V2)

          │          compressed          │         uncompressed         
          ├───────────┬───────────┬──────┼───────────┬───────────┬──────
 APK      │ old       │ new       │ diff │ old       │ new       │ diff 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
      dex │  12.6 MiB │  12.6 MiB │  0 B │    32 MiB │    32 MiB │  0 B 
     arsc │   2.2 MiB │   2.2 MiB │  0 B │   2.2 MiB │   2.2 MiB │  0 B 
 manifest │   5.6 KiB │   5.6 KiB │  0 B │  27.1 KiB │  27.1 KiB │  0 B 
      res │   1.6 MiB │   1.6 MiB │  0 B │   1.8 MiB │   1.8 MiB │  0 B 
    asset │ 404.2 KiB │ 404.2 KiB │  0 B │ 678.6 KiB │ 678.6 KiB │  0 B 
    other │ 188.2 KiB │ 188.2 KiB │ -2 B │ 384.8 KiB │ 384.8 KiB │  0 B 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
    total │    17 MiB │    17 MiB │ -2 B │  37.1 MiB │  37.1 MiB │  0 B