R: add maintainer(s) (#21119)

* R: add maintainer(s)

* Add maintainer to base class

lib/spack/spack/build_systems/r.py

@@ -25,6 +25,8 @@ class RPackage(PackageBase):
     """
     phases = ['install']
 
+    maintainers = ['glennpj']
+
     #: This attribute is used in UI queries that need to know the build
     #: system base class
     build_system_class = 'RPackage'

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

@@ -21,6 +21,8 @@ class R(AutotoolsPackage):
 
     extendable = True
 
+    maintainers = ['glennpj']
+
     version('4.0.3', sha256='09983a8a78d5fb6bc45d27b1c55f9ba5265f78fa54a55c13ae691f87c5bb9e0d')
     version('4.0.2', sha256='d3bceab364da0876625e4097808b42512395fdf41292f4915ab1fd257c1bbe75')
     version('4.0.1', sha256='95fe24a4d8d8f8f888460c8f5fe4311cec656e7a1722d233218bc03861bc6f32')