Bump external/ia32-doc from `77e021b` to `2bc5284`

[dependabot[bot]]

Bumps external/ia32-doc from 77e021b to 2bc5284.

Commits

• 2bc5284 Generate files
• 56a61bc Add new VMCS field encodings
• 482a837 Fix mistakes in VMCS field encodings
• 7dd8254 Add new basic VM-exit reasons
• 0202924 Add new processor-based control field bits
• b5c7b07 Add new VM-entry control field bit
• 43ff9da Add new VM-exit control field bits
• 6ef251e out: Update the header files
• b865f0e python: fix missing Loader arg with PyYAML 6.0+
• 5ab8e8d python: enable the ALL mode when no --file flag
• Additional commits viewable in compare view

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