feat: bump google-genai dependency to 1.58.0

PiperOrigin-RevId: 930388409

Author: kvmilos

pom.xml

@@ -52,7 +52,7 @@
     <otel.version>1.51.0</otel.version>
     <mcp.version>1.1.2</mcp.version>
     <errorprone.version>2.47.0</errorprone.version>
-    <google.genai.version>1.44.0</google.genai.version>
+    <google.genai.version>1.58.0</google.genai.version>
     <protobuf.version>4.33.5</protobuf.version>
     <junit.version>5.11.4</junit.version>
     <mockito.version>5.23.0</mockito.version>