[PyOV] Drop Python 3.7 in OpenVINO Runtime (#19534)

* Drop 37

* Fix linter

* Minor change

* Minor changes

* update add_lib_path

* Minor changes

* Update pypi pages

* Update pypi pages

* Fix linter

* Minor changes

---------

Co-authored-by: Anastasia Kuporosova <anastasia.kuporosova@intel.com>
Co-authored-by: Jan Iwaszkiewicz <jan.iwaszkiewicz@intel.com>
Co-authored-by: Ilya Lavrenov <ilya.lavrenov@intel.com>

tools/deployment_manager/deployment_manager.py

@@ -17,8 +17,8 @@
 
 import sys
 
-if sys.version_info[0] < 3 or (sys.version_info[0] == 3 and sys.version_info[1] < 7):
-    exit("Python* 3.7 or higher is required to run the Deployment Manager.")
+if sys.version_info[0] < 3 or (sys.version_info[0] == 3 and sys.version_info[1] < 8):
+    exit("Python* 3.8 or higher is required to run the Deployment Manager.")
 
 if __name__ == '__main__':
     from deployman.main import main