Bump release and add changelog entry

cairomm.spec

@@ -6,7 +6,7 @@
 Name:           cairomm
 Summary:        C++ API for the cairo graphics library
 Version:        1.12.0
-Release:        14%{?dist}
+Release:        15%{?dist}
 
 URL:            http://www.cairographics.org
 License:        LGPLv2+
@@ -116,6 +116,25 @@ install -t %{buildroot}%{_datadir}/doc/%{name}-%{apiver} -m 0644 -p \
 
 
 %changelog
+* Thu Feb 11 2021 Benjamin A. Beasley <code@musicinmybrain.net> - 1.12.0-15
+- Spec file style tweaks
+- Macro-ize documentation path in description
+- Simplified summaries and descriptions
+- Use make macros (https://src.fedoraproject.org/rpms/cairomm/pull-request/1)
+- Drop obsolete %%ldconfig_scriptlets macro
+- Much stricter file globs, including so-version
+- Stop requiring the base package from the -doc package
+- Migrate top-level text file documentation to the -doc subpackage
+- BR mm-common; at minimum, this lets us find tags for libstdc++ documentation;
+  require libstdc++-docs from the -doc subpackage, since we are now able to
+  find the tag file in configure
+- Remove bundled jQuery/jQueryUI from prebuilt documentation, and rebuild the
+  documentation ourselves
+- Add a note explaining why we cannot run the tests
+- Drop explicit/manual lib Requires on cairo/libsigc++20
+- Drop version requirements in BRs
+- Rebuild autotools-generated files
+
 * Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 1.12.0-14
 - Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild