Bump urllib3 from 1.26.18 to 1.26.19 in /engine #487

Job	Run time
Linting and tests / Test technical documentation	15s
Linting and tests / Lint database migrations	1m 2s
Linting and tests / Lint entire project	2m 22s
Linting and tests / Lint, test, and build frontend	2m 23s
Linting and tests / Helm Chart Unit Tests	16s
Linting and tests / mypy	53s
Linting and tests / Backend Tests: MySQL + RabbitMQ (RBAC enabled: True)	1m 11s
Linting and tests / Backend Tests: MySQL + RabbitMQ (RBAC enabled: False)	1m 5s
Linting and tests / Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: True)	1m 12s
Linting and tests / Backend Tests: SQLite + Redis (RBAC enabled: True)	1m 5s
Linting and tests / Unit tests - Migrators	19s
Linting and tests / Backend Tests: SQLite + Redis (RBAC enabled: False)	1m 5s
Linting and tests / Backend Tests: PostgreSQL + RabbitMQ (RBAC enabled: False)	1m 6s
Snyk security scan / Snyk security scan	1m 48s
Linting and tests / Standard e2e tests / Grafana: 10.1.7	6m 28s
	22m 30s

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