Support static case for find_libraries() in xz (#38100)

* Update xz

* add maintainer to xz

* [@spackbot] updating style on behalf of AlexanderRichert-NOAA

var/spack/repos/builtin/packages/xz/package.py

@@ -22,6 +22,8 @@ class Xz(MSBuildPackage, AutotoolsPackage, SourceforgePackage):
     sourceforge_mirror_path = "lzmautils/files/xz-5.2.5.tar.bz2"
     list_url = "https://tukaani.org/xz/old.html"
 
+    maintainers("AlexanderRichert-NOAA")
+
     executables = [r"^xz$"]
 
     version("5.4.1", sha256="dd172acb53867a68012f94c17389401b2f274a1aa5ae8f84cbfb8b7e383ea8d3")
@@ -61,7 +63,12 @@ class Xz(MSBuildPackage, AutotoolsPackage, SourceforgePackage):
 
     @property
     def libs(self):
-        return find_libraries(["liblzma"], root=self.prefix, recursive=True)
+        return find_libraries(
+            ["liblzma"],
+            root=self.prefix,
+            recursive=True,
+            shared=self.spec.satisfies("libs=shared"),
+        )
 
     @classmethod
     def determine_version(cls, exe):