Set compat-release to oldstable

  * d/lintian-brush.conf: Set compat-release to oldstable to prevent dh bumps.

debian/.gitattributes

 .gitattributes export-ignore
 gbp.conf export-ignore
 salsa-ci.yml export-ignore
+lintian-brush.conf export-ignore

debian/changelog

+ruby-jekyll-include-cache (0.2.1-2) UNRELEASED; urgency=medium
+
+  * Team upload.
+  * d/lintian-brush.conf: Set compat-release to oldstable to prevent dh
+    bumps.
+
+ -- Daniel Leidert <dleidert@debian.org>  Sat, 02 Oct 2021 18:31:21 +0200
+
 ruby-jekyll-include-cache (0.2.1-1) unstable; urgency=medium
 
   * New upstream release.

debian/lintian-brush.conf

+compat-release = oldstable