Update pipeline.yml

Author: ChrisRackauckas

.buildkite/pipeline.yml

@@ -12,7 +12,7 @@ steps:
       GROUP: "{{matrix}}"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1"
+          version: "lts"
       - JuliaCI/julia-test#v1:
           coverage: false
           julia_args: "--threads=auto"
@@ -32,7 +32,7 @@ steps:
       GROUP: "{{matrix}}"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1"
+          version: "lts"
       - JuliaCI/julia-test#v1:
           coverage: false
           julia_args: "--threads=auto"
@@ -53,7 +53,7 @@ steps:
       GROUP: "{{matrix}}"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1"
+          version: "lts"
       - JuliaCI/julia-test#v1:
           coverage: false
           julia_args: "--threads=auto"
@@ -68,7 +68,7 @@ steps:
   - label: "WeakAdaptiveGPU"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1"
+          version: "lts"
       - JuliaCI/julia-test#v1:
           coverage: false
     agents: