Bump org.slf4j:slf4j-api in /examples/fabric-contract-example-maven

Bumps org.slf4j:slf4j-api from 1.7.5 to 2.0.17.

---
updated-dependencies:
- dependency-name: org.slf4j:slf4j-api
  dependency-version: 2.0.17
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

examples/fabric-contract-example-maven/pom.xml

@@ -16,7 +16,7 @@
 
 		<!-- Logging -->
 		<logback.version>1.5.18</logback.version>
-		<slf4j.version>1.7.5</slf4j.version>
+		<slf4j.version>2.0.17</slf4j.version>
 
 		<!-- Test -->
 		<junit.jupiter.version>5.13.4</junit.jupiter.version>