Add phone number to serialised users for webhooks #1956

Job	Run time
Linting and tests / Lint entire project	2m 5s
Linting and tests / Lint database migrations	59s
Linting and tests / Lint, test, and build frontend	1m 31s
Linting and tests / Test technical documentation	17s
Linting and tests / Backend Tests: MySQL + RabbitMQ (RBAC enabled: True)	3m 4s
Linting and tests / Backend Tests: Plugin	35s
Linting and tests / Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: True)	3m 0s
Linting and tests / Backend Tests: MySQL + RabbitMQ (RBAC enabled: False)	3m 11s
Linting and tests / Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: False)	3m 9s
Linting and tests / Backend Tests: SQLite + Redis (RBAC enabled: True)	2m 37s
Linting and tests / Helm Chart Unit Tests	18s
Linting and tests / Unit tests - Migrators	21s
Linting and tests / mypy	1m 33s
Linting and tests / Backend Tests: SQLite + Redis (RBAC enabled: False)	2m 46s
Snyk security scan / Snyk security scan	1m 6s
Linting and tests / Standard e2e tests (10.3.0) / Grafana: 10.3.0	9m 18s
Linting and tests / Standard e2e tests (11.2.0) / Grafana: 11.2.0	7m 42s
Linting and tests / Standard e2e tests (latest) / Grafana: latest	7m 46s
	51m 18s

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