debian/changelog: UNRELEASED => unstable

Gbp-Dch: Ignore

debian/changelog

-openexr (3.1.5-5) UNRELEASED; urgency=medium
+openexr (3.1.5-5) unstable; urgency=medium
 
   * Team upload.
 
@@ -9,7 +9,7 @@ openexr (3.1.5-5) UNRELEASED; urgency=medium
   [ Matteo F. Vescovi ]
   * debian/control: S-V bump 4.6.1 -> 4.6.2 (no changes needed)
 
- -- Matteo F. Vescovi <mfv@debian.org>  Sun, 23 Apr 2023 18:45:09 +0200
+ -- Matteo F. Vescovi <mfv@debian.org>  Sun, 23 Apr 2023 18:46:33 +0200
 
 openexr (3.1.5-4) unstable; urgency=medium