[CI] Use default "alldeps" image for CTS build in Weekly

[aelovikov-intel]

No description provided.

[aelovikov-intel]

Workflow run: https://github.com/intel/llvm/actions/runs/13038486545.

Failures:

SYCL-CTS on OCL CPU PVC w/ LLVM SPIR-V Backend
logs/test_reduction.log:exit code: 139
logs/test_math_builtin_api.log:exit code: 139
logs/test_hierarchical.log:exit code: 139
logs/test_group_functions.log:exit code: 134


SYCL-CTS on L0 GPU PVC w/ LLVM SPIR-V Backend
logs/test_group_functions.log:exit code: 139

are the same as in regular origin/sycl testing at https://github.com/intel/llvm/actions/runs/12987041016.