Zowe CLI

• BugFix: Bump Secrets SDK to 7.18.6 to use core-foundation-rs instead of the now-archived security-framework crate, and to include the edge-case bug fix for Linux.

Secrets SDK

• BugFix: Use core-foundation-rs instead of security-framework for macOS logic, as security-framework is now archived. #1802
• BugFix: Resolve bug where findCredentials scenarios with one match causes a segmentation fault on Linux.