chore(deps): update dependency @types/node to v10.12.18

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
@​types/node	devDependencies	patch	10.12.15 -> 10.12.18	source

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[coveralls]

Coverage remained the same at 100.0% when pulling c194447f0afc34a062bb4929361448574a49ae0b on renovate/node-10.x into b27a06f38edf9f0fc61be73c9c41e21c647ed887 on master.

[coveralls]

Coverage remained the same at 100.0% when pulling c194447f0afc34a062bb4929361448574a49ae0b on renovate/node-10.x into b27a06f38edf9f0fc61be73c9c41e21c647ed887 on master.