* feat: tie scheduled function attemptDeadline to timeoutSeconds

* feat: tie scheduled function attemptDeadline to timeoutSeconds

* run formatter.

* run formatter.

* nit: fix formatting

* fix: allow JsonSecretParam in secrets array

JsonSecretParam was not accepted in the `secrets` option array because:

1. The type was defined as `(string | SecretParam)[]`, excluding JsonSecretParam
2. Runtime converters only checked for `instanceof SecretParam`

Fixes #1783

* fix tests.

* Update src/v1/cloud-functions.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update src/v2/options.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* Update src/v1/function-builder.ts

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* nit: remove unused imports

* add changelog.

---------

Co-authored-by: gemini-code-assist[bot] <176961590+gemini-code-assist[bot]@users.noreply.github.com>

* fix: export param types from firebase-functions/params

Export SecretParam, JsonSecretParam, StringParam, BooleanParam, IntParam,
ListParam, and Param types to allow users to import them for type annotations.

Fixes #1777

* nit: merge export

* add changelog.

* nit: fix pr link in changelog