Fix missing find_dependency(), CI

[johguenther]

No description provided.

[Copilot]

Pull Request Overview

This PR fixes a missing CMake dependency macro and updates the CI configuration. The changes include adding the required CMakeFindDependencyMacro include, bumping the project version to 1.15.1, and updating the DPCPP compiler version in the Linux CI workflow.

• Added include(CMakeFindDependencyMacro) to resolve missing find_dependency() function
• Bumped project version from 1.15.0 to 1.15.1
• Updated DPCPP version in CI from intel/2025.1 to intel/2025.2

Reviewed Changes

Copilot reviewed 3 out of 3 changed files in this pull request and generated no comments.

File	Description
cmake/rkcommon_macros.cmake	Added CMakeFindDependencyMacro include to make find_dependency() available
CMakeLists.txt	Incremented project version to 1.15.1
.github/workflows/ci.linux.yml	Updated DPCPP compiler version to intel/2025.2

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