Fixed version for 'Cortex XDR - Port Scan - Adjusted' (demisto#28929)

* Fixed version for 'Cortex XDR - Port Scan - Adjusted'

* Added RN, removed irrelevant inputs for the 'Block Indicators - Generic v3' sub-playbook and updated the README file.

* removed the following inputs since they are not in use: DstHostname, Initiator_File_Name, Initiator_File_Path

* Bump pack from version CortexXDR to 5.1.0.

* added missing 'else' path for task number 143

* Bump pack from version CortexXDR to 5.1.0.

* added missing configs for 'attackerExternalHost' input used within the 'Cortex XDR - Endpoint Investigation' su-playbook as part of task number 145

* Bump pack from version CortexXDR to 5.1.0.

* Bump pack from version CortexXDR to 5.1.0.

* Removed the 'port blocking' section. added two new task.

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Co-authored-by: Content Bot <[email protected]>

Author: 2 people