gah, that cats tag didn't work, use last green commit

Author: SethTisue

configs/community.dbuild

@@ -655,10 +655,11 @@ build += {
     check-missing: false  // ignore missing scalafmt
   }
 
-  // we are currently using the v1.0.1 tag.
+  // we are currently frozen at the last green commit.
   // 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.
+  // at some point we might like to try moving to a tag such as v1.1.0
+  // or beyond, or even track master.  (I tried the v1.0.1 tag but got
+  // some weird error during dependency extraction.)
   ${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#v1.0.1"
+  cats-uri:                     "https://github.com/typelevel/cats.git#411278a531ec4"  # was 1.0
   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"