docs: add release notes

docs/release-notes/release-notes-0.17.5.md

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+# Release Notes
+- [Release Notes](#release-notes)
+- [Bug Fixes](#bug-fixes)
+- [New Features](#new-features)
+  - [Functional Enhancements](#functional-enhancements)
+  - [RPC Additions](#rpc-additions)
+  - [lncli Additions](#lncli-additions)
+- [Improvements](#improvements)
+  - [Functional Updates](#functional-updates)
+    - [Tlv](#tlv)
+  - [Misc](#misc)
+    - [Logging](#logging)
+  - [RPC Updates](#rpc-updates)
+  - [lncli Updates](#lncli-updates)
+  - [Code Health](#code-health)
+  - [Breaking Changes](#breaking-changes)
+  - [Performance Improvements](#performance-improvements)
+- [Technical and Architectural Updates](#technical-and-architectural-updates)
+  - [BOLT Spec Updates](#bolt-spec-updates)
+  - [Testing](#testing)
+  - [Database](#database)
+  - [Code Health](#code-health-1)
+  - [Tooling and Documentation](#tooling-and-documentation)
+- [Contributors (Alphabetical Order)](#contributors-alphabetical-order)
+
+# Bug Fixes
+
+* [Fixed a bug in `btcd` that caused an incompatibility with
+  `bitcoind v27.0`](https://github.com/lightningnetwork/lnd/pull/8573).
+
+# Contributors (Alphabetical Order)
+
+* Oliver Gugger