Create documentation branches for Optimize 3.11, 3.12, 3.13, and 3.14

[mboskamp]

Acceptance Criteria (Required on creation)

There is a branch for each of the supported Optimize versions (3.11-3.14).
We will create the content for each branch following these steps:

1. Duplicate the previous version branch (for 3.11, duplicate 3.8)
2. Add the branch to the sidebar and version selection.

Migrating any content for 3.14 will be done in a separate ticket.

Hints

This table shows the different supported environments based on the C8 docs and the Optimize 7 download page.

O7	O8	C7	ElasticSearch	OpenSearch	OpenJDK	Docker CE	DMN
3.11	8.3	7.18+ 7.19+ 7.20+	8.8+		17+	17.03+	1.1 1.2 1.3
3.12	8.4	7.18+ 7.19+ 7.20+	8.9+		17+	17.03+	1.1 1.2 1.3
3.13	8.5	7.19+ 7.20+ 7.21+	8.9+	2.5x	17+	17.03+	1.1 1.2 1.3
3.14	8.6	7.20+ 7.21+ 7.22+	8.13+	2.9+*	21+	17.03+	1.1 1.2 1.3

*Not all Optimize features are supported when using OpenSearch as a database. For a full list of the features that are currently supported, please refer to the Camunda 7 OpenSearch features.

Links

Breakdown

Pull Requests

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1. https://github.com/camunda/camunda-docs-optimize/pull/337
2. https://github.com/camunda/camunda-docs-optimize/pull/338
3. https://github.com/camunda/camunda-docs-optimize/pull/339
4. https://github.com/camunda/camunda-docs-optimize/pull/340

[mboskamp]

Merged and released all four branches. They are not yet visible from latest/master, but can be accessed like so https://docs.camunda.org/optimize/3.14.