Bump xbean.version from 4.27 to 4.28

Bumps `xbean.version` from 4.27 to 4.28.

Updates `org.apache.xbean:xbean-asm9-shaded` from 4.27 to 4.28

Updates `org.apache.xbean:xbean-bundleutils` from 4.27 to 4.28

Updates `org.apache.xbean:xbean-finder-shaded` from 4.26 to 4.28

---
updated-dependencies:
- dependency-name: org.apache.xbean:xbean-asm9-shaded
  dependency-version: '4.28'
  dependency-type: direct:development
  update-type: version-update:semver-minor
- dependency-name: org.apache.xbean:xbean-bundleutils
  dependency-version: '4.28'
  dependency-type: direct:production
  update-type: version-update:semver-minor
- dependency-name: org.apache.xbean:xbean-finder-shaded
  dependency-version: '4.28'
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

blueprint/itests/blueprint-itests/pom.xml

@@ -68,7 +68,7 @@
         <pax-logging.version>2.2.10</pax-logging.version>
         <pax-tinybundles.version>2.1.1</pax-tinybundles.version>
         <pax-url.version>2.6.17</pax-url.version>
-        <xbean.version>4.27</xbean.version>
+        <xbean.version>4.28</xbean.version>
     </properties>
 
     <dependencies>

jndi/jndi-url-itest/pom.xml

@@ -69,7 +69,7 @@
         <pax-url.version>2.6.17</pax-url.version>
         <pax-web.version>8.0.33</pax-web.version>
         <services.version>3.2.100.v20100503</services.version>
-        <xbean.version>4.27</xbean.version>
+        <xbean.version>4.28</xbean.version>
     </properties>
 
     <dependencies>

samples/blog/blog-itests/pom.xml

@@ -39,7 +39,7 @@
         <pax-tinybundles.version>2.0.0</pax-tinybundles.version>
         <pax-url.version>2.6.17</pax-url.version>
         <pax-web.version>4.4.2</pax-web.version>
-        <xbean.version>4.27</xbean.version>
+        <xbean.version>4.28</xbean.version>
     </properties>
 
     <dependencies>