chore: ⬆️ Update ikawrakow/ik_llama.cpp to 26ceed9d4091a1696cf50e2ed87e5767d5811d81 (#11475)

* ⬆️ Update ikawrakow/ik_llama.cpp

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

* fix(gallery): align Higgs Audio checksum test

The validated gallery checksum changed in #11459, but its dedicated regression assertion kept the previous value and now fails the master test suite on Linux and macOS.

Assisted-by: Codex:gpt-5.6

---------

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: mudler <2420543+mudler@users.noreply.github.com>
Co-authored-by: localai-org-maint-bot <306269227+localai-org-maint-bot@users.noreply.github.com>

backend/cpp/ik-llama-cpp/Makefile

@@ -1,5 +1,5 @@
 
-IK_LLAMA_VERSION?=5763a901de3f525b65ed5574fd57623905685755
+IK_LLAMA_VERSION?=26ceed9d4091a1696cf50e2ed87e5767d5811d81
 LLAMA_REPO?=https://github.com/ikawrakow/ik_llama.cpp
 
 CMAKE_ARGS?=

core/gallery/variants_lint_test.go

@@ -534,7 +534,7 @@ var _ = Describe("gallery/index.yaml Higgs Audio entry", func() {
 		Expect(*entry.GetKnownUsecases() & config.FLAG_TTS).To(Equal(config.FLAG_TTS))
 		Expect(entry.AdditionalFiles).To(ConsistOf(gallery.File{
 			Filename: "audio-cpp/higgs-audio-v3-tts-4b-q8_0.gguf",
-			SHA256:   "b857344af06b1b2497f4f8c1d0f0c134d0eeaf9c089c0d28ae6e58084d90f901",
+			SHA256:   "79746822045b5bf8f9ab2bda87b16cd3f8ea3d9e319cbcf887a87aa1b537a74a",
 			URI:      "huggingface://audio-cpp/audio.cpp-gguf/Higgs-Audio-v3-TTS-4B-GGUF/higgs-audio-v3-tts-4b-q8_0.gguf",
 		}))
 	})