Update fields in source-connectors specifications: linkedin-ads

[igrankova]

What

Add title and description properties to each field in source-connectors specifications:
source-linkedin-ads

How

Describe the solution

Recommended reading order

1. x.java
2. y.python

🚨 User Impact 🚨

Are there any breaking changes? What is the end result perceived by the user? If yes, please merge this PR with the 🚨🚨 emoji so changelog authors can further highlight this if needed.

Pre-merge Checklist

Expand the relevant checklist and delete the others.

Updating a connector

Community member or Airbyter

• Grant edit access to maintainers (instructions)
• Secrets in the connector's spec are annotated with airbyte_secret
• Unit & integration tests added and passing. Community members, please provide proof of success locally e.g: screenshot or copy-paste unit, integration, and acceptance test output. To run acceptance tests for a Python connector, follow instructions in the README. For java connectors run ./gradlew :airbyte-integrations:connectors:<name>:integrationTest.
• Code reviews completed
• Documentation updated
  • Connector's README.md
  • Connector's bootstrap.md. See description and examples
  • Changelog updated in docs/integrations/<source or destination>/<name>.md including changelog. See changelog example
• PR name follows PR naming conventions

Airbyter

If this is a community PR, the Airbyte engineer reviewing this PR is responsible for the below items.

• Create a non-forked branch based on this PR and test the below items on it
• Build is successful
• Credentials added to Github CI. Instructions.
• /test connector=connectors/<name> command is passing.
• New Connector version released on Dockerhub by running the /publish command described here
• After the new connector version is published, connector version bumped in the seed directory as described here
• Seed specs have been re-generated by building the platform and committing the changes to the seed spec files, as described here

[igrankova]

/test connector=connectors/source-linkedin-ads

🕑 connectors/source-linkedin-ads https://github.com/airbytehq/airbyte/actions/runs/1605848959
✅ connectors/source-linkedin-ads https://github.com/airbytehq/airbyte/actions/runs/1605848959
Python tests coverage:

	 ---------- coverage: platform linux, python 3.8.10-final-0 -----------
	 Name                               Stmts   Miss  Cover
	 ------------------------------------------------------
	 source_linkedin_ads/__init__.py        2      0   100%
	 source_linkedin_ads/analytics.py      45      1    98%
	 source_linkedin_ads/source.py        168     77    54%
	 source_linkedin_ads/utils.py          83      5    94%
	 ------------------------------------------------------
	 TOTAL                                298     83    72%
	 ---------- coverage: platform linux, python 3.8.10-final-0 -----------
	 Name                                                 Stmts   Miss  Cover
	 ------------------------------------------------------------------------
	 source_acceptance_test/__init__.py                       2      0   100%
	 source_acceptance_test/base.py                          10      4    60%
	 source_acceptance_test/config.py                        76      8    89%
	 source_acceptance_test/conftest.py                     109    109     0%
	 source_acceptance_test/plugin.py                        47     47     0%
	 source_acceptance_test/tests/__init__.py                 4      0   100%
	 source_acceptance_test/tests/test_core.py              242     96    60%
	 source_acceptance_test/tests/test_full_refresh.py       38     27    29%
	 source_acceptance_test/tests/test_incremental.py        69     38    45%
	 source_acceptance_test/utils/__init__.py                 6      0   100%
	 source_acceptance_test/utils/asserts.py                 37      2    95%
	 source_acceptance_test/utils/common.py                  54     24    56%
	 source_acceptance_test/utils/compare.py                 62     25    60%
	 source_acceptance_test/utils/connector_runner.py       110     48    56%
	 source_acceptance_test/utils/json_schema_helper.py     115     14    88%
	 ------------------------------------------------------------------------
	 TOTAL                                                  981    442    55%

[bazarnov]

Approved.

[bazarnov]

/publish connector=connectors/source-linkedin-ads

🕑 connectors/source-linkedin-ads https://github.com/airbytehq/airbyte/actions/runs/1607125755
✅ connectors/source-linkedin-ads https://github.com/airbytehq/airbyte/actions/runs/1607125755