Update image tag in ci/cpu.yml from 25.10 to 26.02

Author: trxcllnt

.github/workflows/ci.cpu.yml

@@ -140,8 +140,8 @@ jobs:
       - name: Build and test CPU schedulers (Windows)
         shell: pwsh
         run: |
-          docker pull rapidsai/devcontainers:25.10-cuda12.9-cl14.43
-          docker run --isolation=process -v "$(pwd):C:/stdexec" rapidsai/devcontainers:25.10-cuda12.9-cl14.43 powershell C:/stdexec/.github/workflows/test-windows.ps1 -Compiler '${{ matrix.compiler }}' -Config '${{ matrix.build }}'
+          docker pull rapidsai/devcontainers:26.02-cuda12.9-cl14.43
+          docker run --isolation=process -v "$(pwd):C:/stdexec" rapidsai/devcontainers:26.02-cuda12.9-cl14.43 powershell C:/stdexec/.github/workflows/test-windows.ps1 -Compiler '${{ matrix.compiler }}' -Config '${{ matrix.build }}'
 
   ci-cpu-windows:
     runs-on: windows-latest