Double the size of the buffer used to read connector specs

[cjwooo]

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What

We have some custom connectors whose specs exceed Airbyte's maximum allowed spec size.

How

Double the size of the spec buffer.

Recommended reading order

1. x.java
2. y.java

Can this PR be safely reverted / rolled back?

If you know that your PR is backwards-compatible and can be simply reverted or rolled back, check the YES box.

Otherwise if your PR has a breaking change, like a database migration for example, check the NO box.

If unsure, leave it blank.

• [ ] YES 💚
• [ ] NO ❌

🚨 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.

[cjwooo]

@marcosmarxm Can you help with enabling the remaining GitHub Actions Workflows to run on this pull request?

[gosusnp]

@marcosmarxm, what happened to https://github.com/airbytehq/airbyte-platform-internal/pull/6505, it was supposed to be the clean fix for this.

[cjwooo]

Bump

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