Merge branch '4.4' into 5.1

* 4.4:
  [Debug] fix test
  consistently use same types for strict comparisons
  [PhpUnitBridge] Skip internal classes in CoverageListenerTrait
  [VarExporter] unserialize() might throw an Exception on php 8.
  [ErrorHandler] Parse "x not found" errors correctly on php 8.
  Prevent parsing invalid octal digits as octal numbers
  remove unnecessary check for  existing request
  [DI] fix ContainerBuilder on PHP8
  [Console] Make sure $maxAttempts is an int or null.
  [VarDumper] Fix caster for invalid SplFileInfo objects on php 8.
  [Intl] Skip test cases that produce a TypeError on php 8.
  [PhpUnitBridge] Adjust output parsing for PHPUnit 9.3.
  [PhpUnitBridge] CoverageListenerTrait update for PHPUnit 8.5/9.x
  add bosnian (bs) translation
  [Debug] Parse "x not found" errors correctly on php 8.

Author: nicolas-grekas

Tests/NumberFormatter/AbstractNumberFormatterTest.php

@@ -377,13 +377,16 @@ public function testFormatFractionDigits($value, $expected, $fractionDigits = nu
 
     public function formatFractionDigitsProvider()
     {
-        return [
-            [1.123, '1.123', null, 0],
-            [1.123, '1', 0, 0],
-            [1.123, '1.1', 1, 1],
-            [1.123, '1.12', 2, 2],
-            [1.123, '1.123', -1, 0],
-        ];
+        yield [1.123, '1.123', null, 0];
+        yield [1.123, '1', 0, 0];
+        yield [1.123, '1.1', 1, 1];
+        yield [1.123, '1.12', 2, 2];
+        yield [1.123, '1.123', -1, 0];
+
+        if (\PHP_VERSION_ID < 80000) {
+            // This dataset will produce a TypeError on php 8.
+            yield [1.123, '1', 'abc', 0];
+        }
     }
 
     /**
@@ -409,13 +412,16 @@ public function testFormatGroupingUsed($value, $expected, $groupingUsed = null,
 
     public function formatGroupingUsedProvider()
     {
-        return [
-            [1000, '1,000', null, 1],
-            [1000, '1000', 0, 0],
-            [1000, '1,000', 1, 1],
-            [1000, '1,000', 2, 1],
-            [1000, '1,000', -1, 1],
-        ];
+        yield [1000, '1,000', null, 1];
+        yield [1000, '1000', 0, 0];
+        yield [1000, '1,000', 1, 1];
+        yield [1000, '1,000', 2, 1];
+        yield [1000, '1,000', -1, 1];
+
+        if (\PHP_VERSION_ID < 80000) {
+            // This dataset will produce a TypeError on php 8.
+            yield [1000, '1000', 'abc', 0];
+        }
     }
 
     /**