Fix changelog heading indentation

Author: code-asher

CHANGELOG.md

@@ -26,12 +26,12 @@ Code v99.99.999
 
 Code v1.90.0
 
-## Changed
+### Changed
 
 - Updated to Code 1.90.0.
 - Updated Node to 20.11.1.
 
-## Added
+### Added
 
 - Send contents to the clipboard in the integrated terminal by piping to
   `code-server --stdin-to-clipboard` or `code-server -c`.
@@ -47,36 +47,36 @@ Code v1.90.0
 
 Code v1.89.1
 
-## Changed
+### Changed
 
 - Updated to Code 1.89.1.
 
 ## [4.89.0](https://github.com/coder/code-server/releases/tag/v4.89.0) - 2024-04-08
 
 Code v1.89.0
 
-## Changed
+### Changed
 
 - Updated to Code 1.89.0.
 
 ## [4.23.1](https://github.com/coder/code-server/releases/tag/v4.23.1) - 2024-04-15
 
 Code v1.88.1
 
-## Changed
+### Changed
 
 - Updated to Code 1.88.1.
 
 ## [4.23.0](https://github.com/coder/code-server/releases/tag/v4.23.0) - 2024-04-08
 
 Code v1.88.0
 
-## Changed
+### Changed
 
 - Updated to Code 1.88.0.
 - Updated Node to 18.18.2.
 
-## Fixed
+### Fixed
 
 - Fix masking the exit code when failing to install extensions on the command
   line outside the integrated terminal. Installing extensions inside the
@@ -86,7 +86,7 @@ Code v1.88.0
 
 Code v1.87.2
 
-## Changed
+### Changed
 
 - Updated to Code 1.87.2.
 - Enable keep-alive for proxy agent.
@@ -95,48 +95,48 @@ Code v1.87.2
 
 Code v1.87.0
 
-## Changed
+### Changed
 
 - Updated to Code 1.87.0.
 
 ## [4.21.2](https://github.com/coder/code-server/releases/tag/v4.21.2) - 2024-02-28
 
 Code v1.86.2
 
-## Changed
+### Changed
 
 - Updated to Code 1.86.2.
 
 ## [4.21.1](https://github.com/coder/code-server/releases/tag/v4.21.1) - 2024-02-09
 
 Code v1.86.1
 
-## Changed
+### Changed
 
 - Updated to Code 1.86.1.
 - Updated to Node 18.17.1.
 
-## Added
+### Added
 
 - Docker images for Fedora and openSUSE.
 
 ## [4.21.0](https://github.com/coder/code-server/releases/tag/v4.21.0) - 2024-02-05
 
 Code v1.86.0
 
-## Changed
+### Changed
 
 - Updated to Code 1.86.0.
 
 ## [4.20.1](https://github.com/coder/code-server/releases/tag/v4.20.1) - 2024-01-22
 
 Code v1.85.2
 
-## Changed
+### Changed
 
 - Updated to Code 1.85.2.
 
-## Fixed
+### Fixed
 
 - Query variables are no longer double-encoded when going over the path proxy.