Use v1 Buildkite plugins.

[skip ci]

Author: maleadt

.buildkite/pipeline.yml

@@ -1,9 +1,9 @@
 steps:
   - label: "CUDA.jl"
     plugins:
-      - JuliaCI/julia#v0.6:
+      - JuliaCI/julia#v1:
           version: 1.6-nightly
-      - JuliaCI/julia-coverage#v0.2:
+      - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
       julia -e 'using Pkg;
@@ -23,9 +23,9 @@ steps:
 
   - label: "oneAPI.jl"
     plugins:
-      - JuliaCI/julia#v0.6:
+      - JuliaCI/julia#v1:
           version: 1.6-nightly
-      - JuliaCI/julia-coverage#v0.2:
+      - JuliaCI/julia-coverage#v1:
           codecov: true
     command: |
       julia -e 'using Pkg;