Merge pull request #441 from dominic-mulligan-arm/veracruz-2205-relea…

…se-notes

veracruz-2205-release-notes: added release notes

documents/release-notes/VERACRUZ-2205.markdown

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+# Release notes for Veracruz 22.05
+
+Notable changes in this release (see the Git tag `veracruz-2205`):
+
+- We welcomed several new contributors to the project: Aryan Godara, Mohamed Abdelfatah, and Sagar Arya.  We thank all for their contributions!
+- Several new examples were added to the SDK, including a text search and a Huffman encoding example.
+- Support for linear pipelines of functions was added to Freestanding Execution Engine, to execute several programs in turn, one after the other.
+- The RuntimeManager{Request, Response} types were unified across all backends, making attestation for IceCap, Arm CCA, and AWS Nitro more uniform.
+- The shutdown mechanism was fixed and made simpler for AWS Nitro.
+- Improved documentation, including bringig the CLI quickstart documentation back up-to-date, and clearly documenting all IP addresses and ports used by Veracruz.
+- The IceCap platform was changed to support seL4 as an in-Realm OS.
+- Various dependencies, including RusTLS, WebPKI, Ring, Regex, Rand, and Nix were updated, many of which to fix security vulnerabilities spotted by Dependabot.
+
+...plus other smaller refactorings and bug fixes.