ci: optimize pipeline and bump Gradle 8.13 and AGP 8.13.2

[DSergiu]

No description provided.

[github-actions]

Diffuse report:

OLD: sdk-main.aar
NEW: sdk-pr.aar

 AAR      │ old       │ new       │ diff     
──────────┼───────────┼───────────┼──────────
      jar │  63.2 KiB │  65.6 KiB │ +2.3 KiB 
 manifest │     411 B │     411 B │      0 B 
      res │  78.2 KiB │  78.2 KiB │      0 B 
    other │     1 KiB │     1 KiB │      0 B 
──────────┼───────────┼───────────┼──────────
    total │ 142.9 KiB │ 145.2 KiB │ +2.3 KiB 

 JAR     │ old │ new │ diff      
─────────┼─────┼─────┼───────────
 classes │  40 │  40 │ 0 (+0 -0) 
 methods │ 603 │ 603 │ 0 (+0 -0) 
  fields │ 188 │ 188 │ 0 (+0 -0)

AAR

 size     │ diff     │ path          
──────────┼──────────┼───────────────
 65.6 KiB │ +2.3 KiB │ ∆ classes.jar 
──────────┼──────────┼───────────────
 65.6 KiB │ +2.3 KiB │ (total)

[github-actions]

Benchmark report:

Test name	Time ms. (median)	Allocations (median)
com.hcaptcha.sdk.HCaptchaBenchmarkTest.EMULATOR_UNLOCKED_benchmarkInvisibleVerification	+704.71	+770
com.hcaptcha.sdk.HCaptchaBenchmarkTest.EMULATOR_UNLOCKED_benchmarkInvisibleVerificationColdRun	+848.83	+1207
com.hcaptcha.sdk.HCaptchaBenchmarkTest.EMULATOR_UNLOCKED_benchmarkInvisibleSetup	+7.24	+423
com.hcaptcha.sdk.HCaptchaDebugInfoTest.EMULATOR_UNLOCKED_benchmarkDebugInfo	+24.84	-5589
com.hcaptcha.sdk.HCaptchaDebugInfoTest.EMULATOR_UNLOCKED_benchmarkDebugSys	+75.17	+38

[CAMOBAP]

LGTM