Include vendor directory

vendor/maennchen/zipstream-php/psalm.xml

@@ -0,0 +1,25 @@
+<?xml version="1.0"?>
+<psalm
+    errorLevel="1"
+    resolveFromConfigFile="true"
+    xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
+    xmlns="https://getpsalm.org/schema/config"
+    xsi:schemaLocation="https://getpsalm.org/schema/config vendor/vimeo/psalm/config.xsd"
+    findUnusedBaselineEntry="true"
+    findUnusedCode="true"
+    phpVersion="8.2.0"
+>
+    <!-- TODO: Update phpVersion when raising the minimum supported version -->
+    <projectFiles>
+        <directory name="src" />
+        <ignoreFiles>
+            <directory name="vendor" />
+        </ignoreFiles>
+    </projectFiles>
+    <issueHandlers>
+        <!-- Turn off dead code warnings for externally called functions -->
+        <PossiblyUnusedProperty errorLevel="suppress" />
+        <PossiblyUnusedMethod errorLevel="suppress" />
+        <PossiblyUnusedReturnValue errorLevel="suppress" />
+    </issueHandlers>
+</psalm>