ov runtime update to 2026.2.rc1 (#4204)

### 🛠 Summary


### 🧪 Checklist

- [ ] Unit tests added.
- [ ] The documentation updated.
- [ ] Change follows security best practices.
``

---------

Co-authored-by: Dariusz Trawinski <Dariusz.Trawinski@intel.com>

Author: przepeck

demos/common/export_models/requirements.txt

@@ -7,8 +7,8 @@ datasets
 diffusers  # for image generation
 nncf
 numpy
-openvino-tokenizers==2026.2.0.dev20260509
-openvino==2026.2.0.dev20260509
+openvino-tokenizers==2026.2.0.0rc1 
+openvino==2026.2.0rc1 
 pillow
 sentence_transformers==5.3.0
 sentencepiece  # Required by: transformers`

versions.mk

@@ -19,17 +19,17 @@
 # Any variable can be overridden by the environment or command-line.
 
 # Source repository git commits / branches (used for source builds)
-OV_SOURCE_BRANCH ?= 2492324617a7bf9b4b14b5547e75545449bec1f0
-OV_TOKENIZERS_BRANCH ?= 02bcda8f91fb5093f4028bb44980d03f44dce790
-OV_GENAI_BRANCH ?= 1e7a63d14a18a0d227e5a2413763ee45395af58a
+OV_SOURCE_BRANCH ?= 5ec01181735c55a23fbaa9242327890949825076
+OV_TOKENIZERS_BRANCH ?= f43dbd55981e8252f66e1c32d7e6fd2b4585c60e
+OV_GENAI_BRANCH ?= 1550089e3126479c5d7702758d8ac707edd34209
 
 # Source repository organizations
 OV_SOURCE_ORG ?= openvinotoolkit
 OV_GENAI_ORG ?= openvinotoolkit
 OV_TOKENIZERS_ORG ?= openvinotoolkit
 
 # Binary package URLs for each supported platform.
-DLDT_PACKAGE_URL_UBUNTU24 ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/nightly/2026.2.0.0.dev20260509/openvino_genai_ubuntu24_2026.2.0.0.dev20260509_x86_64.tar.gz
-DLDT_PACKAGE_URL_UBUNTU22 ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/nightly/2026.2.0.0.dev20260509/openvino_genai_ubuntu22_2026.2.0.0.dev20260509_x86_64.tar.gz
-DLDT_PACKAGE_URL_RHEL ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/nightly/2026.2.0.0.dev20260509/openvino_genai_rhel8_2026.2.0.0.dev20260509_x86_64.tar.gz
-GENAI_PACKAGE_URL_WINDOWS ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/nightly/2026.2.0.0.dev20260509/openvino_genai_windows_2026.2.0.0.dev20260509_x86_64.zip
+DLDT_PACKAGE_URL_UBUNTU24 ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/pre-release/2026.2.0.0rc1/openvino_genai_ubuntu24_2026.2.0.0rc1_x86_64.tar.gz
+DLDT_PACKAGE_URL_UBUNTU22 ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/pre-release/2026.2.0.0rc1/openvino_genai_ubuntu22_2026.2.0.0rc1_arm64.tar.gz
+DLDT_PACKAGE_URL_RHEL ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/pre-release/2026.2.0.0rc1/openvino_genai_rhel8_2026.2.0.0rc1_x86_64.tar.gz
+GENAI_PACKAGE_URL_WINDOWS ?= https://storage.openvinotoolkit.org/repositories/openvino_genai/packages/pre-release/2026.2.0.0rc1/openvino_genai_windows_2026.2.0.0rc1_x86_64.zip