doc: updated changelog & credits.

doc/changelog.dox

@@ -716,6 +716,9 @@ See also:
 -   The `FindSDL2.cmake` module now looks for `SDL2-static` as well (see
     [mosra/magnum#594](https://github.com/mosra/magnum/pull/594))
 -   Fixed a typo in a CMake option name (see [mosra/magnum#599](https://github.com/mosra/magnum/pull/599))
+-   Worked around a MSVC2022 bug with constexpr conversion operators if C++20
+    is used, causing most @ref Math tests to fail compilation (see
+    [mosra/magnum#602](https://github.com/mosra/magnum/pull/602))
 
 @subsection changelog-latest-bugfixes Bug fixes
 

doc/credits.dox

@@ -222,7 +222,7 @@ Are the below lists missing your name or something's wrong?
 -   **Siim Kallas** ([\@seemk](https://github.com/seemk)) ---
     @ref Platform::Sdl2Application improvements, bugfixes
 -   **Stanislaw Halik** ([\@sthalik](https://github.com/sthalik)) ---
-    @ref Timeline additions
+    @ref Timeline additions, MSVC build fixes
 -   **Steeve Morin** ([\@steeve](https://github.com/steeve)) --- iOS
     buildsystem improvements
 -   **Stefan Wasilewski** ([\@smw](https://github.com/smw)) --- macOS port