build(deps): bump com.sap.cloud.db.jdbc:ngdbc from 2.25.12 to 2.26.6

Bumps com.sap.cloud.db.jdbc:ngdbc from 2.25.12 to 2.26.6.

---
updated-dependencies:
- dependency-name: com.sap.cloud.db.jdbc:ngdbc
  dependency-version: 2.26.6
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]

athena-saphana/pom.xml

@@ -68,7 +68,7 @@
             <groupId>com.sap.cloud.db.jdbc</groupId>
             <artifactId>ngdbc</artifactId>
             <!--            <version>2.11.17</version>-->
-            <version>2.25.12</version>
+            <version>2.26.6</version>
         </dependency>
     </dependencies>
     <build>