[MSOSDU-1787]: Increase code coverage percentage

Code coverage increment for storage azure:

• Issue Reference: osdu/platform/ci-cd-pipelines#40
• Added apache-maven-plugin dependency to fix the jacoco report generation
• Added exclusions for the classes that were not required to be evaluated for tests coverage report in maven plugin exclusion list
• Generated Code Coverage Report

Initial code coverage: 16%

Current code coverage: 67%