Enabled Slf4j and transaction logger in indexer-azure

Description

• Enabled slf4j logger and transaction logger by adding the necessary commands in application.properties
• Added exclusions in spring-boot-starter-security dependency in pom.xml file to enable slf4j logger binding without conflict
• Verified manually the reflection of test logs in Traces table in AppInsights
• Verified that existing integration tests passed
• Upgraded azure-core-lib version to 0.0.28 and made changes needed for the same
• [YES] Have you followed our code review guidelines?
• [YES] Have you added an explanation of what your changes do and why you'd like us to include them?
• [NO] I have updated the documentation accordingly.
• [NA] I have added tests to cover my changes.
• [YES] All new and existing tests passed.
• [YES] My code follows the code style of this project.
• [YES] I ran lint checks locally prior to submission