fix perl libxcrypt.so dep (#33846)

Detected using https://github.com/spack/spack/pull/28109

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

@@ -110,6 +110,7 @@ class Perl(Package):  # Perl doesn't use Autotools, it should subclass Package
         depends_on("zlib")
         # :5.24.1 needs zlib@:1.2.8: https://rt.cpan.org/Public/Bug/Display.html?id=120134
         depends_on("zlib@:1.2.8", when="@5.20.3:5.24.1")
+        depends_on("libxcrypt")  # libcrypt.so.1
 
     conflicts("@5.34.1:", when="%msvc@:19.29.30136")
     # there has been a long fixed issue with 5.22.0 with regard to the ccflags