fix(deps): pin terraform gitlab.developers.cam.ac.uk/uis/gcp-secret-manager/devops to 6.1.3

This MR contains the following updates:

Package	Type	Update	Change
gitlab.developers.cam.ac.uk/uis/gcp-secret-manager/devops	module	pin	< 7.0.0 -> 6.1.3

Add the preset :preserveSemverRanges to your config if you don't want to pin your dependencies.

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