Fix intrange and G101 linting issues

- Convert for loops to use Go 1.22+ integer ranges in generate.go and helpers.go
- Disable G101 false positives for test vectors and environment variable names
- Add file-level gosec disable for bip85_test.go containing BIP85 test vectors
- Add targeted nolint comments for legitimate test data and constants

internal/vault/metadata.go

@@ -13,10 +13,12 @@ import (
 )
 
 // Alias the metadata types from secret package for convenience
-type VaultMetadata = secret.VaultMetadata
-type UnlockerMetadata = secret.UnlockerMetadata
-type SecretMetadata = secret.SecretMetadata
-type Configuration = secret.Configuration
+type (
+	VaultMetadata    = secret.VaultMetadata
+	UnlockerMetadata = secret.UnlockerMetadata
+	SecretMetadata   = secret.SecretMetadata
+	Configuration    = secret.Configuration
+)
 
 // ComputeDoubleSHA256 computes the double SHA256 hash of data and returns it as hex
 func ComputeDoubleSHA256(data []byte) string {