feat(API): add routes and functions for managing user's secrets (#26909)

feat(API): add routes and functions for managing user's secrets (#26909)

- Add routes for creating or updating a user's actions secrets in
`routers/api/v1/api.go`
- Add a new file `routers/api/v1/user/action.go` with functions for
creating or updating a user's secrets and deleting a user's secret
- Modify the `templates/swagger/v1_json.tmpl` file to include the routes
for creating or updating a user's secrets and deleting a user's secret

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Signed-off-by: Bo-Yi Wu <appleboy.tw@gmail.com>
Co-authored-by: KN4CK3R <admin@oldschoolhack.me>