Prepare 1.5.1 release.

Pre-publish new DOI and update the NEWS file.

Author: gouttegd

CITATION.cff

@@ -8,9 +8,9 @@ authors:
 license: GPL-3.0-or-later
 url: "https://incenp.org/dvlpt/sssom-java/"
 repository-code: "https://github.com/gouttegd/sssom-java"
-version: 1.5.0
-date-released: "2025-05-14"
-doi: 10.5281/zenodo.15417007
+version: 1.5.1
+date-released: "2025-05-16"
+doi: 10.5281/zenodo.15428457
 references:
   - authors:
       - family-names: "Matentzoglu"

NEWS

@@ -1,3 +1,11 @@
+Changes in sssom-java 1.5.1
+---------------------------
+
+    * sssom-cli:
+      * Add the `--assume-version` option.
+      * Add the `--ignore-missing-imports` option.
+
+
 Changes in sssom-java 1.5.0
 ---------------------------