Ovep develop 1.21 (#22824)
### Description
OVEP development changes for ORT 1.21 Release
### Motivation and Context
Has critical bug fixes
Support for concurrency execution of models is enabled
Support for OV 2024.5
Memory optimizations for NPU platform
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Co-authored-by: jatinwadhwa921 <jatin.wadhwa@intel.com>
Co-authored-by: Ankit Maheshkar <ankit.maheshkar@intel.com>
Co-authored-by: sfatimar <sahar.fatima@intel.com>
Co-authored-by: saurabhkale17 <saurabh1.kale@intel.com>
Co-authored-by: TejalKhade28 <tejal.khade@intel.com>
Co-authored-by: Javier E. Martinez <javier.e.martinez@intel.com>
