Fix(Insomnia): Add scopes required to the External Vault for plugin in (Azure Vault) setup

[TuannasCodeCatastrophe]

Description

Jobs to be done (optional)

Add scopes required to the External Vault for plugin in (Azure Vault) setup

Azure Vault setup

Definition of done
Include all scopes required to complete plugin setup

Information
https://developer.konghq.com/insomnia/external-vault/

https://kongstrong.slack.com/archives/C06FP2K5EJC/p1761650075682599

Due date (optional)
Size
S (Small). Example: fixing a broken link, updating wording in an FAQ or paragraph

Fixes #3328

Preview Links

https://deploy-preview-3761--kongdeveloper.netlify.app/insomnia/external-vault/#azure-key-vault

Checklist

• Tested how-to docs. If not, note why here.
• All pages contain metadata.
• Any new docs link to existing docs.
• All autogenerated instructions render correctly (API, decK, Konnect, Kong Manager).
• Style guide (capitalized gateway entities, placeholder URLs) implemented correctly.
• Every page has a description entry in frontmatter.
• Add new pages to the product documentation index (if applicable).

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[TuannasCodeCatastrophe]

Waiting on deploy preview - can take 15 - 20 mins

[TuannasCodeCatastrophe]

deploy preview unable to generate - weird errors

[netlify]

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[cloudjumpercat]

Left a comment about scopes and some suggestions for the UI steps

[Guaris]

@TuannasCodeCatastrophe Can we follow the PR naming convention with this? I think it should be:
Fix(Insomnia): Add scopes required to the External Vault for plugin in (Azure Vault) setup

[TuannasCodeCatastrophe]

@Guaris @cloudjumpercat updated name - Are reviews complete; doc okay to publish?

[TuannasCodeCatastrophe]

troubleshooting git issue

[cloudjumpercat]

LGTM! Just need to resolve the merge conflict