Update changelog for version 0.15.0

CHANGELOG.md

@@ -3,6 +3,42 @@
 This file lists the most important changes made in each release of
 `textwrap`.
 
+## Version 0.15.0 (2022-02-27)
+
+* [#396](https://github.com/mgeisler/textwrap/pull/396): Cache cargo-fuzz between invocations
+* [#397](https://github.com/mgeisler/textwrap/pull/397): Split `build` job into separate jobs per feature configuration
+* [#399](https://github.com/mgeisler/textwrap/pull/399): Cache build artifacts using `rust-cache`
+* [#403](https://github.com/mgeisler/textwrap/pull/403): Configure required features for examples
+* [#404](https://github.com/mgeisler/textwrap/pull/404): Make documentation for short last-line penalty more precise
+* [#405](https://github.com/mgeisler/textwrap/pull/405): Cleanup and simplify `Options` docstring
+* [#407](https://github.com/mgeisler/textwrap/pull/407): Add checks for README examples and fix typo
+* [#408](https://github.com/mgeisler/textwrap/pull/408): Wrap README doctest in separate module
+* [#409](https://github.com/mgeisler/textwrap/pull/409): Simplify README doctest
+* [#410](https://github.com/mgeisler/textwrap/pull/410): Cleanup needless borrows
+* [#411](https://github.com/mgeisler/textwrap/pull/411): Default to `OptimalFit` in interactive example
+* [#414](https://github.com/mgeisler/textwrap/pull/414): Bump wasm demo dependencies
+* [#415](https://github.com/mgeisler/textwrap/pull/415): Add demo program to help compute binary sizes
+* [#417](https://github.com/mgeisler/textwrap/pull/417): Update `fill_optimal_fit` fuzz target to match `OptimalFit`
+* [#421](https://github.com/mgeisler/textwrap/pull/421): Use `f64` instead of `usize` for fragment widths
+* [#422](https://github.com/mgeisler/textwrap/pull/422): Show expected lines to make the test clearer
+* [#423](https://github.com/mgeisler/textwrap/pull/423): Add fuzz tests with fully arbitrary fragments
+* [#424](https://github.com/mgeisler/textwrap/pull/424): Change penalties to non-negative numbers
+* [#425](https://github.com/mgeisler/textwrap/pull/425): Run all fuzz tests in a matrix configuration
+* [#426](https://github.com/mgeisler/textwrap/pull/426): Turn top-level examples into executable tests
+* [#428](https://github.com/mgeisler/textwrap/pull/428): Remove unnecessary `unicode-width` feature flag conditionals
+* [#430](https://github.com/mgeisler/textwrap/pull/430): Add `debug-words` example
+* [#431](https://github.com/mgeisler/textwrap/pull/431): Simplify benchmarks
+* [#432](https://github.com/mgeisler/textwrap/pull/432): Use precise dependency versions in Cargo.toml
+* [#434](https://github.com/mgeisler/textwrap/pull/434): Fix renamed `broken_intra_doc_links` lint
+* [#435](https://github.com/mgeisler/textwrap/pull/435): Bump follow-redirects from 1.14.4 to 1.14.8 in /examples/wasm/www
+* [#436](https://github.com/mgeisler/textwrap/pull/436): Update examples/wasm npm dependencies
+* [#437](https://github.com/mgeisler/textwrap/pull/437): Make README examples testable
+* [#438](https://github.com/mgeisler/textwrap/pull/438): Simplify `Options` by removing generic type parameters
+* [#439](https://github.com/mgeisler/textwrap/pull/439): Merge imports from the same module into a single `use` statement
+* [#440](https://github.com/mgeisler/textwrap/pull/440): Put single-expression functions on a single line
+* [#441](https://github.com/mgeisler/textwrap/pull/441): Update binary sizes for Rust 1.59
+* [#442](https://github.com/mgeisler/textwrap/pull/442): Revert "Put single-expression functions on a single line"
+
 ## Version 0.14.2 (2021-06-27)
 
 The 0.14.1 release included more changes than intended and has been