Switch bundled version to 2.3.26

Gemfile.lock.aarch64

@@ -589,4 +589,4 @@ DEPENDENCIES
   yajl-ruby
 
 BUNDLED WITH
-   2.2.33
+   2.3.26

Gemfile.lock.x86

@@ -589,4 +589,4 @@ DEPENDENCIES
   yajl-ruby
 
 BUNDLED WITH
-   2.2.33
+   2.3.26

obs-bundled-gems.spec

@@ -20,7 +20,7 @@
 %global ruby_version 3.1.0
 Name:           obs-bundled-gems
 Version:        2.10.15
-Release:        1
+Release:        2
 Summary:        The Open Build Service -- Bundled Gems
 License:        GPL-2.0-only OR GPL-3.0-only
 URL:            http://www.openbuildservice.org
@@ -140,6 +140,10 @@ done
 %doc README
 
 %changelog
+* Wed Feb 08 2023 wangkai <wangkai385@h-partners.com> 2.10.15-2
+- Switch bundled version to 2.3.26
+- Add stringio-3.0.1.gem to verdor.obscpio
+
 * Tue Jan 17 2023 Ge Wang <wangge20@h-partners.com> 2.10.15-1
 - Fix build failure due tu ruby updated to version 3.1.3
 - Modify version to match version of obs-server