fix: replace unused parameters with underscores (revive)

- Replace unused function parameters with _ in test files
- Affects version_test.go, debug_test.go, and pgpunlock_test.go

internal/secret/version_test.go

@@ -58,7 +58,7 @@ func (m *MockVersionVault) GetDirectory() (string, error) {
 	return filepath.Join(m.stateDir, "vaults.d", m.Name), nil
 }
 
-func (m *MockVersionVault) AddSecret(name string, value []byte, force bool) error {
+func (m *MockVersionVault) AddSecret(_ string, _ []byte, _ bool) error {
 	return fmt.Errorf("not implemented in mock")
 }
 
@@ -74,7 +74,7 @@ func (m *MockVersionVault) GetCurrentUnlocker() (Unlocker, error) {
 	return nil, fmt.Errorf("not implemented in mock")
 }
 
-func (m *MockVersionVault) CreatePassphraseUnlocker(passphrase string) (*PassphraseUnlocker, error) {
+func (m *MockVersionVault) CreatePassphraseUnlocker(_ string) (*PassphraseUnlocker, error) {
 	return nil, fmt.Errorf("not implemented in mock")
 }