Update d/ch for 1.2.1-2 release

debian/changelog

-ruby-http-parser (1.2.1-2) UNRELEASED; urgency=medium
+ruby-http-parser (1.2.1-2) unstable; urgency=medium
 
-  * Team upload.
+  [ Daniel Leidert ]
   * d/rules: Disable dh verbose mode.
   * d/patches/0001-Use-the-correct-compiler-and-linker-flags.patch: Add patch.
     - Set linker flags by evaluating environment or RbConfig::CONFIG.
   * d/patches/series: Enable new patch.
+  * Fix blhc issue: CPPFLAGS missing
 
- -- Daniel Leidert <dleidert@debian.org>  Fri, 03 Apr 2020 16:10:23 +0200
+  [ Utkarsh Gupta ]
+  * Source-only upload
+  * Refresh patch
+
+ -- Utkarsh Gupta <utkarsh@debian.org>  Thu, 09 Apr 2020 13:17:30 +0530
 
 ruby-http-parser (1.2.1-1) unstable; urgency=medium