MLH-96 : (fix) solve all the vulnerability reported for metastore

[sumandas0]

https://atlanhq.atlassian.net/wiki/x/OYARJw

Type of change

• Vulnerability fix (fixes vulnerabilities)
• New feature (adds functionality)

Related issues

Fix vulnerabilities identified in the metastore packages to be remediated

Dependency upgrades

• org.keycloak:keycloak-core 15.1.0 -> 26.1.0 [solves 60% vulnerabilities]
• org.yaml:snakeyaml 1.33 -> 2.0
• com.google.guava:guava 29.0-jre -> 32.0.1-jre
• org.eclipse.jetty:jetty-webapp 9.4.31.v20200723 -> 9.4.33.v20201020 [All jetty component got upgraded to this version]
• com.nimbusds:nimbus-jose-jwt 9.8.1 -> 9.37.2

Dependency removal

Removed these from module and deleted all the file content of,

• Docs module [Contributed to 3 critical vulnerabilities]
• AtlasDashboardV3 - this is Atlas ui new version which anyway no one uses but has npm vulnerabilties

Removed these unnecessary addons along with it

• addons/hive-bridge-shim
• addons/hive-bridge
• addons/falcon-bridge-shim
• addons/falcon-bridge
• addons/sqoop-bridge-shim
• addons/sqoop-bridge
• addons/hbase-bridge-shim
• addons/hbase-bridge
• addons/hbase-testing-util
• addons/kafka-bridge
• addons/hdfs-model
• addons/impala-hook-api
• addons/impala-bridge-shim
• addons/impala-bridge

Unable to upgrade

• org.apache.hadoop:hadoop-common 3.3.6 -> 3.4.0 [Low severity and we don't use most of its functionality]