chore: release v11.2.1

[github-actions]

🤖 New release

• aarch64-cpu: 11.2.0 -> 11.2.1 (✓ API compatible changes)

Changelog

11.2.1 - 2026-03-05

Other

• Add missing runs-on: line to CI

• Update MIT file copyright line to 2026.

• Adds an example program for Armv8-R AArch64 - the 64-bit version of Armv8-R.

• Reflect the owning team's name change from Cortex-A Team to Arm Team.

• Merge pull request Remove unused HVC64 and SMC64 values from ESR_EL1.EC #65 from kisum9/remove-esr_el1-unused-value

• Remove unused HVC64 and SMC64 values

• Noted change from Cortex-A Team to Arm Team in README

• Added Armv8-R AArch64 example program

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