fix(deps): update dependency langchain to ^0.3.0 - autoclosed

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
langchain (changelog)	^0.2.3 -> ^0.3.0

---

Configuration

📅 Schedule: Branch creation - "before 4am on sunday" (UTC), Automerge - At any time (no schedule defined).

🚦 Automerge: Enabled.

♻ Rebasing: Whenever PR is behind base branch, or you tick the rebase/retry checkbox.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR was generated by Mend Renovate. View the repository job log.

[renovate]

⚠️ Artifact update problem

Renovate failed to update an artifact related to this branch. You probably do not want to merge this PR as-is.

♻ Renovate will retry this branch, including artifacts, only when one of the following happens:

• any of the package files in this branch needs updating, or
• the branch becomes conflicted, or
• you click the rebase/retry checkbox if found above, or
• you rename this PR's title to start with "rebase!" to trigger it manually

The artifact failure details are included below:

File name: poetry.lock

Updating dependencies
Resolving dependencies...

Creating virtualenv slack-gpt-2qlkTVet-py3.12 in /home/ubuntu/.cache/pypoetry/virtualenvs

Because no versions of langchain-community match >0.2.4,<0.2.5 || >0.2.5,<0.2.6 || >0.2.6,<0.2.7 || >0.2.7,<0.2.9 || >0.2.9,<0.2.10 || >0.2.10,<0.2.11 || >0.2.11,<0.2.12 || >0.2.12,<0.2.13 || >0.2.13,<0.2.15 || >0.2.15,<0.2.16 || >0.2.16,<0.2.17 || >0.2.17,<0.3.0
 and langchain-community (0.2.17) depends on langchain (>=0.2.16,<0.3.0), langchain-community (>0.2.4,<0.2.5 || >0.2.5,<0.2.6 || >0.2.6,<0.2.7 || >0.2.7,<0.2.9 || >0.2.9,<0.2.10 || >0.2.10,<0.2.11 || >0.2.11,<0.2.12 || >0.2.12,<0.2.13 || >0.2.13,<0.2.15 || >0.2.15,<0.2.16 || >0.2.16,<0.3.0) requires langchain (>=0.2.16,<0.3.0).
And because langchain-community (0.2.16) depends on langchain (>=0.2.16,<0.3.0), langchain-community (>0.2.4,<0.2.5 || >0.2.5,<0.2.6 || >0.2.6,<0.2.7 || >0.2.7,<0.2.9 || >0.2.9,<0.2.10 || >0.2.10,<0.2.11 || >0.2.11,<0.2.12 || >0.2.12,<0.2.13 || >0.2.13,<0.2.15 || >0.2.15,<0.3.0) requires langchain (>=0.2.16,<0.3.0).
And because langchain-community (0.2.15) depends on langchain (>=0.2.15,<0.3.0)
 and langchain-community (0.2.13) depends on langchain (>=0.2.15,<0.3.0), langchain-community (>0.2.4,<0.2.5 || >0.2.5,<0.2.6 || >0.2.6,<0.2.7 || >0.2.7,<0.2.9 || >0.2.9,<0.2.10 || >0.2.10,<0.2.11 || >0.2.11,<0.2.12 || >0.2.12,<0.3.0) requires langchain (>=0.2.15,<0.3.0).
And because langchain-community (0.2.12) depends on langchain (>=0.2.13,<0.3.0)
 and langchain-community (0.2.11) depends on langchain (>=0.2.12,<0.3.0), langchain-community (>0.2.4,<0.2.5 || >0.2.5,<0.2.6 || >0.2.6,<0.2.7 || >0.2.7,<0.2.9 || >0.2.9,<0.2.10 || >0.2.10,<0.3.0) requires langchain (>=0.2.12,<0.3.0).
And because langchain-community (0.2.10) depends on langchain (>=0.2.9,<0.3.0)
 and langchain-community (0.2.9) depends on langchain (>=0.2.9,<0.3.0), langchain-community (>0.2.4,<0.2.5 || >0.2.5,<0.2.6 || >0.2.6,<0.2.7 || >0.2.7,<0.3.0) requires langchain (>=0.2.9,<0.3.0).
And because langchain-community (0.2.7) depends on langchain (>=0.2.7,<0.3.0)
 and langchain-community (0.2.6) depends on langchain (>=0.2.6,<0.3.0), langchain-community (>0.2.4,<0.2.5 || >0.2.5,<0.3.0) requires langchain (>=0.2.6,<0.3.0).
And because langchain-community (0.2.5) depends on langchain (>=0.2.5,<0.3.0)
 and langchain-community (0.2.4) depends on langchain (>=0.2.0,<0.3.0), langchain-community (>=0.2.4,<0.3.0) requires langchain (>=0.2.0,<0.3.0).
So, because slack-gpt depends on both langchain (^0.3.0) and langchain-community (^0.2.4), version solving failed.