Fix issues identified by Psalm

Author: sebastianbergmann

.psalm/baseline.xml

@@ -198,9 +198,4 @@
       <code>assert(isset($parameter-&gt;var-&gt;name))</code>
     </RedundantConditionGivenDocblockType>
   </file>
-  <file src="src/StaticAnalysis/IgnoredLinesFindingVisitor.php">
-    <InvalidPropertyAssignmentValue occurrences="1">
-      <code>$this-&gt;ignoredLines</code>
-    </InvalidPropertyAssignmentValue>
-  </file>
 </files>

src/StaticAnalysis/IgnoredLinesFindingVisitor.php

@@ -10,7 +10,6 @@
 namespace SebastianBergmann\CodeCoverage\StaticAnalysis;
 
 use function assert;
-use function range;
 use PhpParser\Node;
 use PhpParser\Node\Attribute;
 use PhpParser\Node\Stmt\Class_;
@@ -80,7 +79,7 @@ public function enterNode(Node $node): void
             $attributeGroup = $node->getAttribute('parent');
             $attributedNode = $attributeGroup->getAttribute('parent');
 
-            foreach (range($attributedNode->getStartLine(), $attributedNode->getEndLine()) as $line) {
+            for ($line = $attributedNode->getStartLine(); $line <= $attributedNode->getEndLine(); $line++) {
                 $this->ignoredLines[] = $line;
             }
 
@@ -91,7 +90,7 @@ public function enterNode(Node $node): void
     }
 
     /**
-     * @psalm-return list<int>
+     * @psalm-return array<int>
      */
     public function ignoredLines(): array
     {
@@ -107,13 +106,13 @@ private function processDocComment(Node $node): void
         }
 
         if (str_contains($docComment->getText(), '@codeCoverageIgnore')) {
-            foreach (range($node->getStartLine(), $node->getEndLine()) as $line) {
+            for ($line = $node->getStartLine(); $line <= $node->getEndLine(); $line++) {
                 $this->ignoredLines[] = $line;
             }
         }
 
         if ($this->ignoreDeprecated && str_contains($docComment->getText(), '@deprecated')) {
-            foreach (range($node->getStartLine(), $node->getEndLine()) as $line) {
+            for ($line = $node->getStartLine(); $line <= $node->getEndLine(); $line++) {
                 $this->ignoredLines[] = $line;
             }
         }