switch CI to 1.12

Author: simeonschaub

.buildkite/pipeline.yml

@@ -2,7 +2,7 @@ steps:
   - label: "CUDA"
     plugins:
       - JuliaCI/julia#v1:
-          version: "1.11"
+          version: "1.12"
       - JuliaCI/julia-coverage#v1:
           codecov: true
     commands: |

.github/workflows/Test.yml

@@ -22,7 +22,7 @@ jobs:
     strategy:
       fail-fast: false
       matrix:
-        version: ['1.10', '1.11']
+        version: ['1.10', '1.12']
         os: [ubuntu-24.04, ubuntu-24.04-arm, macOS-15, macOS-15-intel, windows-2025]
         arch: [x64, arm64]
         pocl: [jll, local]