Update hashicorp/vault-action action to v3.4.0

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
hashicorp/vault-action	action	minor	v3.0.0 → v3.4.0

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Release Notes

hashicorp/vault-action (hashicorp/vault-action)

v3.4.0

Compare Source

3.4.0 (June 13, 2025)

Bugs:

• replace all dot chars during normalization (#​580)

Improvements:

• Prevent possible DoS via polynomial regex (#​583)

v3.3.0

Compare Source

3.3.0 (March 3, 2025)

Features:

• Wildcard secret imports can use ** to retain case of exported env keys GH-545

v3.2.0

Compare Source

3.2.0 (March 3, 2025)

Improvements:

• Add retry for jwt auth login to fix intermittent login failures GH-574

v3.1.0

Compare Source

3.1.0 (January 9, 2025)

Improvements:

• fix wildcard handling when field contains dot GH-542
• bump body-parser from 1.20.0 to 1.20.3
• bump braces from 3.0.2 to 3.0.3
• bump cross-spawn from 7.0.3 to 7.0.6
• bump micromatch from 4.0.5 to 4.0.8

Features:

• secretId is no longer required for approle to support advanced use cases like machine login when bind_secret_id is false. GH-522
• Use pki configuration to generate certificates from Vault GH-564

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[gliptak]

@finos-admin do we have the Vault setup referenced here (an other GHA configs)?
https://github.com/finos/fluxnova-modeler/blob/develop/.github/workflows/CI.yml#L35

and relatedly is trhere a Codecov token available/configured for project's use?