rapids_cpm_thrust: Correctly find version 1.15.0 (#181)

Since Thrust 1.15.0 reports it self as `1.15.0.0` we need to also search with the patch version added.

Starting in Thrust 1.16, the tweak version can be dropped.

Corrects issue in #180 where git_tag was computed wrong.

Authors:
  - Robert Maynard (https://github.com/robertmaynard)

Approvers:
  - Paul Taylor (https://github.com/trxcllnt)

URL: #181

rapids-cmake/cpm/versions.json

@@ -25,7 +25,7 @@
     "Thrust" : {
       "version" : "1.15.0.0",
       "git_url" : "https://github.com/NVIDIA/thrust.git",
-      "git_tag" : "${version}"
+      "git_tag" : "1.15.0"
     },
     "libcudacxx" : {
       "version" : "1.7.0",