Make Archive::Tar::Builder optional

Change-Id: I557617b0884b0b30d70c54003a3afda8c1a6b0e3
diff --git a/Changes b/Changes
index 1b9d1cd..4cce76f 100644
--- a/Changes
+++ b/Changes
@@ -1,3 +1,8 @@
+0.45 2022-02-24
+        - Due to problems installing Archive::Tar::Builder
+          in certain environments, this is now optional,
+          with a pure perl fallback archiver.
+
 0.44 2022-02-17
         - Improve Gingko Metadata support.
         - Fix data-URIs by always refering to UTF-8.