chore: upgrade slf4j to 2.0.17

[zhumin8]

test against slf4j 2.0.17 that released 2025-02-25 (https://www.slf4j.org/news.html#2.0.17)

[sonarqubecloud]

Quality Gate passed for 'gapic-generator-java-root'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[sonarqubecloud]

Quality Gate passed for 'java_showcase_integration_tests'

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[JoeWang1127]

@zhumin8 is there a reason for this update, i.e., security vunlnerability?

[zhumin8]

@zhumin8 is there a reason for this update, i.e., security vunlnerability?

No security vulnerabilities. Mostly trying to be consistent with our documentation discussion (see internal comment)