Merge branch '6.3' into 6.4

* 6.3:
  [Cache][Lock] Fix PDO store not creating table + add tests
  Closes #51936-Added Missing translations for Czech (cs) in validators.cs.xlf file
  Added missing translations in turkish and updated validators.tr.xlf
  [Serializer] Fix denormalizing date intervals having both weeks and days
  [Validator] updated Turkish translation
  [Serializer] Fix denormalize constructor arguments
  Add some more non-countable English nouns
  Add hint that changing input arguments has no effect
  [DomCrawler] Revert "bug #52579 UriResolver support path with colons"
  [VarExporter] Fix handling mangled property names returned by __sleep()
  Update Github template for 7.1

Author: nicolas-grekas

Tests/UriResolverTest.php

@@ -85,9 +85,7 @@ public static function provideResolverTests()
             ['foo', 'http://localhost?bar=1', 'http://localhost/foo'],
             ['foo', 'http://localhost#bar', 'http://localhost/foo'],
 
-            ['foo:1', 'http://localhost', 'http://localhost/foo:1'],
-            ['/bar:1', 'http://localhost', 'http://localhost/bar:1'],
-            ['foo/bar:1', 'http://localhost', 'http://localhost/foo/bar:1'],
+            ['http://', 'http://localhost', 'http://'],
         ];
     }
 }

UriResolver.php

@@ -33,7 +33,7 @@ public static function resolve(string $uri, ?string $baseUri): string
         $uri = trim($uri);
 
         // absolute URL?
-        if (\is_string(parse_url($uri, \PHP_URL_SCHEME))) {
+        if (null !== parse_url($uri, \PHP_URL_SCHEME)) {
             return $uri;
         }