Bump SongodaCore from 2.6.16 to 2.6.18 (PotatoCraft-Studio#303)

Bumps SongodaCore from 2.6.16 to 2.6.18.

---
updated-dependencies:
- dependency-name: com.songoda:SongodaCore
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

pom.xml

@@ -788,7 +788,7 @@
         <dependency>
             <groupId>com.songoda</groupId>
             <artifactId>SongodaCore</artifactId>
-            <version>2.6.16</version>
+            <version>2.6.18</version>
             <scope>provided</scope>
         </dependency>
         <!-- https://mvnrepository.com/artifact/commons-codec/commons-codec -->