EI Bugfixes for subscription triggering

What's Changed

• EI Frontend clogged when old subscriptions are not removed. by @Gangisetty-Alekhya in #517
• Duplicate key error fix by @dhruvin-kalavadia in #514
• EI Documentation update regarding API Token usage in Jenkins authentication for subscription by @dhruvin-kalavadia in #520
• Eib more subscription triggering at high load by @shubhamkumarguptaTCS in #523
• Excluded log4j-to-slf4j dependency by @jainadc9 in #518
• Uplifted the logback-classic version to 1.2.10 by @shubhamkumarguptaTCS in #522
• Update pom.xml by @jainadc9 in #524

New Contributors

• @dhruvin-kalavadia made their first contribution in #514
• @jainadc9 made their first contribution in #518

Full Changelog: 3.2.3...3.2.4