Updated to 3.11.1

- Updated the Cortana portrait to fit more with the new human portrait aesthetics.
- Added a blue and purple variant to Cortana's portrait.

Added content for the Created faction:

- Added two new portraits to the Created portrait set:
1. High Auxiliary Sloan
2. Executor Supersoldier

- Added the Executor army with the prerequisite research "FIREWALL Contingency" to unlock the new army type.

- Updated the Created namelist with the new army type.

- Updated Forerunner NSC ship reactors and thrusters to align with the changes made in the NSC mod.

- Added missing upkeep to all Forerunner reactors.

- Updated Forerunner megastructure placement rules for Halo Ring construction yards.

- Fixed an issue where the firing the Halo Tactical Pulse will destroy the owner's fleet in-system instead of going mia.

- Fixed an issue that was causing the slipspace field tech to not appear as intended at tier III.

- Due to their comparable strength to Fallen Empire buildings, most Forerunner buildings must now require the appropriate tech research to unlock:

1. Minoris Assembler Vat (III)
2. Mercatus Assembler Vat (III)
3. Lifeworker Preserve (III)
4. Vacuum Generator (IV)
5. Domain Archive (IV)
6. Food Synthesizer (IV)
7. Supply Elevator (IV)

- Added several tier III and IV technology research to unlock each building listed above.

- The research to unlock these buildings will also be included in the full technology option in the starting tech event for Forerunner empires.

- Added a new building icon for the Lifeworker Preserve.