3.1.0

Merged pull requests:

• Bump tflint plugin version, add new rule #91 (lonegunmanb)
• Ci updating breaking-change-detect #90 (Pumpkin-3906)
• Upgrade terraform-module-test-helper lib so we can get rid of override file to execute version upgrade test #89 (lonegunmanb)
• Add support for bgp_community #88 (lonegunmanb)
• update outputs.tf to bracket syntax #86 (Pumpkin-3906)
• Add update changelog step in CI pipeline, update pull request template #82 (lonegunmanb)
• Bump test helper version #79 (lonegunmanb)