Add SQLAlchemy to the dev‑dependency group in providers

[Prab-27]

Related : #59895
Related discussion : here and here

Was generative AI tooling used to co-author this PR?

• Yes (please specify the tool below)

---

• Read the Pull Request Guidelines for more information. Note: commit author/co-author name and email in commits become permanently public when merged.
• For fundamental code changes, an Airflow Improvement Proposal (AIP) is needed.
• When adding dependency, check compliance with the ASF 3rd Party License Policy.
• For significant user-facing changes create newsfragment: {pr_number}.significant.rst or {issue_number}.significant.rst, in airflow-core/newsfragments.

[Prab-27]

Do I need to update this

airflow/providers/postgres/pyproject.toml

Line 108 in 39e52f5

"psycopg[binary]>=3.2.9",

and

airflow/providers/amazon/pyproject.toml

Line 179 in 39e52f5

"aiobotocore[boto3]>=2.21.1",

like apache-airflow-providers-postgres[psycopg[binary]] since we applied here