cats: can't track deleted branch 1.0, use a tag instead

Author: SethTisue

configs/community.dbuild

@@ -655,6 +655,10 @@ build += {
     check-missing: false  // ignore missing scalafmt
   }
 
+  // we are currently using the v1.0.1 tag.
+  // we used to track that 1.0 branch, but that branch was deleted.
+  // at some point we might like to try moving to a newer tag such as v1.1.0
+  // or beyond, or even track master.
   ${vars.base} {
     name: "cats"
     uri:  ${vars.uris.cats-uri}

configs/project-refs.conf

@@ -27,7 +27,7 @@ vars.uris: {
   case-app-uri:                 "https://github.com/scalacommunitybuild/case-app.git#community-build-2.12"
   catalysts-uri:                "https://github.com/typelevel/catalysts.git#f8676a18"  # was master
   cats-effect-uri:              "https://github.com/typelevel/cats-effect.git#v0.10"  # was master
-  cats-uri:                     "https://github.com/typelevel/cats.git#1.0"
+  cats-uri:                     "https://github.com/typelevel/cats.git#v1.0.1"
   circe-config-uri:             "https://github.com/circe/circe-config.git"
   circe-uri:                    "https://github.com/circe/circe.git#c23f22547"
   classutil-uri:                "https://github.com/bmc/classutil.git"