chore: replace BouncyCastle BigIntegers and Arrays with JDK equivalents - #26793

  168 files  ±0    168 suites  ±0   2h 42m 55s ⏱️ - 20m 16s
  294 tests ±0    293 ✅ ±0  1 💤 ±0  0 ❌ ±0 
1 658 runs  +1  1 657 ✅ +1  1 💤 ±0  0 ❌ ±0 

Results for commit eaadf51. ± Comparison against earlier commit 1fa96c7.