Bump io.airlift:slice from 2.5 to 2.6

Bumps [io.airlift:slice](https://github.com/airlift/slice) from 2.5 to 2.6.
- [Release notes](https://github.com/airlift/slice/releases)
- [Commits](airlift/slice@2.5...2.6)

---
updated-dependencies:
- dependency-name: io.airlift:slice
  dependency-version: '2.6'
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

airbase/pom.xml

@@ -235,7 +235,7 @@
         <dep.opentelemetry.version>1.59.0</dep.opentelemetry.version>
         <dep.opentelemetry-alpha.version>1.59.0-alpha</dep.opentelemetry-alpha.version>
         <dep.slf4j.version>2.0.17</dep.slf4j.version>
-        <dep.slice.version>2.5</dep.slice.version>
+        <dep.slice.version>2.6</dep.slice.version>
         <dep.spotbugs-annotations.version>4.9.8</dep.spotbugs-annotations.version>
         <dep.testng.version>6.10</dep.testng.version>