fix(deps): update dependency de.ree6:ree6-sql to v3.0.0

Author: renovate[bot]

Backend/pom.xml

@@ -68,7 +68,7 @@
         <dependency>
             <groupId>de.ree6</groupId>
             <artifactId>Ree6-SQL</artifactId>
-            <version>f42422d84a</version>
+            <version>3.0.0</version>
         </dependency>
 
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