py-vermin: add latest version 1.3.1 (#26920)

* py-vermin: add latest version 1.3.1

* Exclude line from Vermin since version is already being checked for

Vermin 1.3.1 finds that `encoding` kwarg of builtin `open()` requires Python 3+.

lib/spack/llnl/util/tty/log.py

@@ -323,7 +323,7 @@ def unwrap(self):
                 if sys.version_info < (3,):
                     self.file = open(self.file_like, 'w')
                 else:
-                    self.file = open(self.file_like, 'w', encoding='utf-8')
+                    self.file = open(self.file_like, 'w', encoding='utf-8')  # novm
             else:
                 self.file = StringIO()
             return self.file

var/spack/repos/builtin/packages/py-vermin/package.py

@@ -8,10 +8,11 @@ class PyVermin(PythonPackage):
     """Concurrently detect the minimum Python versions needed to run code."""
 
     homepage = "https://github.com/netromdk/vermin"
-    url      = "https://github.com/netromdk/vermin/archive/v1.3.0.tar.gz"
+    url      = "https://github.com/netromdk/vermin/archive/v1.3.1.tar.gz"
 
     maintainers = ['netromdk']
 
+    version('1.3.1', sha256='ddcdaad5a708a483af192075f5d2eaaaf3aa4661b5101ddafa40d7837eeb5368')
     version('1.3.0', sha256='adf2b6ea34c01c3a81fc4fa78c2e5fa6c8dd6d35327a8e5a4caeeaef7ec21668')
     version('1.2.2', sha256='d0343b2a78d7e4de67dfd2d882eeaf8b241db724f7e67f83bdd4111edb97f1e2')
     version('1.2.1', sha256='b7b2c77cf67a27a432371cbc7f184151b6f3dd22bd9ccf3a7a10b7ae3532ac81')