Mark the TracingDriver* and TracingStatement* classes as @internal

Author: ste93cry

src/Tracing/Doctrine/DBAL/TracingDriverForV2.php

@@ -18,6 +18,8 @@
  * This is a simple implementation of the {@see Driver} interface that decorates
  * an existing driver to support distributed tracing capabilities. This implementation
  * is compatible only with DBAL version < 3.0.
+ *
+ * @internal
  */
 final class TracingDriverForV2 implements Driver, VersionAwarePlatformDriver, ExceptionConverterDriver
 {

src/Tracing/Doctrine/DBAL/TracingDriverForV3.php

@@ -16,6 +16,8 @@
  * This is a simple implementation of the {@see Driver} interface that decorates
  * an existing driver to support distributed tracing capabilities. This implementation
  * is compatible with all versions of Doctrine DBAL >= 3.0.
+ *
+ * @internal
  */
 final class TracingDriverForV3 implements Driver, VersionAwarePlatformDriver
 {

src/Tracing/Doctrine/DBAL/TracingStatementForV2.php

@@ -9,6 +9,8 @@
 use Sentry\Tracing\SpanContext;
 
 /**
+ * @internal
+ *
  * @phpstan-implements \IteratorAggregate<mixed>
  */
 final class TracingStatementForV2 extends AbstractTracingStatement implements \IteratorAggregate, Statement

src/Tracing/Doctrine/DBAL/TracingStatementForV3.php

@@ -9,6 +9,9 @@
 use Doctrine\DBAL\ParameterType;
 use Sentry\Tracing\SpanContext;
 
+/**
+ * @internal
+ */
 final class TracingStatementForV3 extends AbstractTracingStatement implements Statement
 {
     /**