Update gradle version from 7.1.1 to 7.3.2

[michelleb-stripe]

Summary

Update gradle to 7.3.2 (https://docs.gradle.org/7.3.2/release-notes.html)

Adds mitigations for log4j vulnerability in Gradle builds

Motivation

Testing

• Added tests
• Modified tests
• Manually verified

Screenshots

Before	After
before screenshot	after screenshot

[github-actions]

Diffuse output:

OLD: paymentsheet-example-release-master.apk (signature: none)
NEW: paymentsheet-example-release-pr.apk (signature: none)

          │          compressed          │         uncompressed         
          ├───────────┬───────────┬──────┼───────────┬───────────┬──────
 APK      │ old       │ new       │ diff │ old       │ new       │ diff 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
      dex │  11.8 MiB │  11.8 MiB │  0 B │  40.1 MiB │  40.1 MiB │  0 B 
     arsc │   1.4 MiB │   1.4 MiB │  0 B │   1.4 MiB │   1.4 MiB │  0 B 
 manifest │   2.6 KiB │   2.6 KiB │  0 B │  10.8 KiB │  10.8 KiB │  0 B 
      res │ 653.2 KiB │ 653.2 KiB │  0 B │     1 MiB │     1 MiB │  0 B 
    asset │  77.8 KiB │  77.8 KiB │  0 B │ 109.3 KiB │ 109.3 KiB │  0 B 
    other │    78 KiB │    78 KiB │  0 B │   154 KiB │   154 KiB │  0 B 
──────────┼───────────┼───────────┼──────┼───────────┼───────────┼──────
    total │    14 MiB │    14 MiB │  0 B │  42.8 MiB │  42.8 MiB │  0 B 


         │          raw           │           unique            
         ├────────┬────────┬──────┼────────┬────────┬───────────
 DEX     │ old    │ new    │ diff │ old    │ new    │ diff      
─────────┼────────┼────────┼──────┼────────┼────────┼───────────
   files │      3 │      3 │    0 │        │        │           
 strings │ 185374 │ 185374 │    0 │ 168673 │ 168673 │ 0 (+0 -0) 
   types │  32405 │  32405 │    0 │  30675 │  30675 │ 0 (+0 -0) 
 classes │  28344 │  28344 │    0 │  28344 │  28344 │ 0 (+0 -0) 
 methods │ 164023 │ 164023 │    0 │ 159484 │ 159484 │ 0 (+0 -0) 
  fields │ 116064 │ 116064 │    0 │ 115670 │ 115670 │ 0 (+0 -0) 


 ARSC    │ old  │ new  │ diff 
─────────┼──────┼──────┼──────
 configs │  295 │  295 │  0   
 entries │ 4370 │ 4370 │  0