perf(oidc): optimize client verification (#6999)

* fix some spelling errors

* client credential auth

* implementation of client auth

* improve error handling

* unit test command package

* unit test database package

* unit test query package

* cleanup unused tracing func

* fix integration tests

* errz to zerrors

* fix linting and import issues

* fix another linting error

* integration test with client secret

* Revert "integration test with client secret"

This reverts commit 0814ba522f.

* add integration tests

* client credentials integration test

* resolve comments

* pin oidc v3.5.0

internal/database/mock/sql_mock.go

@@ -53,6 +53,15 @@ func ExpectBegin(err error) expectation {
 	}
 }
 
+func ExpectCommit(err error) expectation {
+	return func(m sqlmock.Sqlmock) {
+		e := m.ExpectCommit()
+		if err != nil {
+			e.WillReturnError(err)
+		}
+	}
+}
+
 type ExecOpt func(e *sqlmock.ExpectedExec) *sqlmock.ExpectedExec
 
 func WithExecArgs(args ...driver.Value) ExecOpt {