Fix naming inconsistency typo

Author: janedbal

src/Reflection/ClassReflection.php

@@ -1242,7 +1242,7 @@ public function isDeprecated(): bool
 	 */
 	private function resolveDeprecation(): void
 	{
-		$deprecation = $this->deprecationProvider->isClassDeprecated($this->reflection);
+		$deprecation = $this->deprecationProvider->getClassDeprecation($this->reflection);
 		if ($deprecation !== null) {
 			$this->isDeprecated = true;
 			$this->deprecatedDescription = $deprecation->getDescription();

src/Reflection/Deprecation/DeprecationProvider.php

@@ -86,7 +86,7 @@ public function getClassConstantDeprecation(ReflectionClassConstant $reflectionC
 		return null;
 	}
 
-	public function isClassDeprecated(ReflectionClass|ReflectionEnum $reflection): ?Deprecation
+	public function getClassDeprecation(ReflectionClass|ReflectionEnum $reflection): ?Deprecation
 	{
 		foreach ($this->classDeprecationExtensions as $extension) {
 			$deprecation = $extension->getClassDeprecation($reflection);