fix(deps): update dependency com.structurizr:structurizr-core to v2.1.2

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
com.structurizr:structurizr-core	2.1.1 -> 2.1.2

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Release Notes

structurizr/java (com.structurizr:structurizr-core)

v2.1.2

• structurizr-core: Adds better backwards compatibility to deal with old workspaces and those created by third party tooling that are missing view order property on views.
• structurizr-export: Fixes https://github.com/structurizr/java/issues/263 (C4PlantUMLExporter not following C4-PlantUML best practices with c4plantuml.tags true).

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