refractor(snowflake): move snowflake-beta to certified snowflake source

[mayurinehate]

Closes #4029
Closes #3530

Checklist

• The PR conforms to DataHub's Contributing Guideline (particularly Commit Message Format)
• Links to related issues (if applicable)
• Tests for the changes have been added/updated (if applicable)
• Docs related to the changes have been added/updated (if applicable). If a new feature has been added a Usage Guide has been added for the same.
• For any breaking change/potential downtime/deprecation/big changes an entry has been made in Updating DataHub

[github-actions]

Unit Test Results (metadata ingestion)

       8 files  ±  0         8 suites  ±0   55m 43s ⏱️ +52s
   704 tests  -   5     701 ✔️  -   5  3 💤 ±0  0 ❌ ±0 
1 408 runs   - 10  1 402 ✔️  - 10  6 💤 ±0  0 ❌ ±0 

Results for commit 790dba4. ± Comparison against base commit 15a33fa.

This pull request removes 5 tests.

tests.unit.stateful_ingestion.provider.test_datahub_ingestion_reporting_provider.TestDatahubIngestionReportingProvider ‑ test_provider
tests.unit.stateful_ingestion.test_configs ‑ test_state_provider_configs[reporting_bad_config]
tests.unit.stateful_ingestion.test_configs ‑ test_state_provider_configs[reporting_default]
tests.unit.stateful_ingestion.test_configs ‑ test_state_provider_configs[reporting_valid_full_config]
tests.unit.stateful_ingestion.test_configs ‑ test_state_provider_configs[reporting_valid_simple_config]

♻️ This comment has been updated with latest results.

[github-actions]

Unit Test Results (build & test)

571 tests  ±0   571 ✔️ ±0   14m 17s ⏱️ -35s
141 suites ±0       0 💤 ±0 
141 files   ±0       0 ❌ ±0 

Results for commit 790dba4. ± Comparison against base commit 15a33fa.

♻️ This comment has been updated with latest results.

[hsheth2]

LGTM