Update various connector licenses to ELv2 (previously MIT)

[evantahler]

Learn more at https://docs.airbyte.com/project-overview/licenses/license-faq/
Internal Doc: https://docs.google.com/document/d/1xFtgF2HBWkk6cnAU4Qlq20piUJ5K_sP-OJqwBEKy6D8/edit

Sources

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1. source-s3 - S3 and GCS connector license to Elv2 #27725
2. source-gcs - S3 and GCS connector license to Elv2 #27725
3. source-postgres - Java DB Source connector licenses to Elv2 #27737
4. source-mysql - Java DB Source connector licenses to Elv2 #27737
5. source-mssql - Java DB Source connector licenses to Elv2 #27737
6. source-oracle - Java DB Source connector licenses to Elv2 #27737
7. source-mongodb - Java DB Source connector licenses to Elv2 #27737
8. source-bigquery - Java DB Source connector licenses to Elv2 #27737
9. source-snowflake - Java DB Source connector licenses to Elv2 #27737
10. source-redshift - Java DB Source connector licenses to Elv2 #27737
11. source-facebook-marketing - Facebook Pages and Facebook Marketing connector license to Elv2 #27728
12. source-facebook-pages - Facebook Pages and Facebook Marketing connector license to Elv2 #27728
13. source-google-ads - Google Source connector licenses to Elv2 #27738
14. source-google-sheets - Google Source connector licenses to Elv2 #27738
15. source-google-analytics-data-api - Google Source connector licenses to Elv2 #27738
16. source-google-analytics-v4 - Google Source connector licenses to Elv2 #27738
17. source-google-search-console - Google Source connector licenses to Elv2 #27738
18. source-hubspot - Salesforce, Marketo, and Hubspot connector license to Elv2 #27726
19. source-marketo - Salesforce, Marketo, and Hubspot connector license to Elv2 #27726
20. source-salesforce - Salesforce, Marketo, and Hubspot connector license to Elv2 #27726
21. source-shopify - Shopify connector license to Elv2 #27732
22. source-stripe - Stripe connector license to Elv2 #27734
23. source-zendesk-support - Zendesk Support connector license to Elv2 #27735

Destinations

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1. destination-s3 - S3 and GCS connector license to Elv2 #27725
2. destination-gcs - S3 and GCS connector license to Elv2 #27725
3. destination-snowflake - Java DB Destination connector licenses to Elv2 #27781
4. destination-bigquery - Java DB Destination connector licenses to Elv2 #27781
5. destination-redshift - Java DB Destination connector licenses to Elv2 #27781
6. destination-postgres - Java DB Destination connector licenses to Elv2 #27781
7. destination-mysql - Java DB Destination connector licenses to Elv2 #27781
8. destination-mssql - Java DB Destination connector licenses to Elv2 #27781
9. destination-oracle - Java DB Destination connector licenses to Elv2 #27781
10. destination-mongodb - Java DB Destination connector licenses to Elv2 #27781
11. destination-google-sheets - Google Sheets Destination connector licenses to Elv2 #27780