deploy always store variables in cmap key `dependencyEnvs`

[AdrianPedriza]

Describe the bug Variables contained in a dev environment are always added as dependency variables in the congigmap (in the depencyEnvs field) relative to that dev environment.

To Reproduce Steps to reproduce the behavior:

1. Deploy https://github.com/okteto/movies (no dependency)
2. check config map related to that dev environment
3. see configmap has dependenyEnv field but this dev environment is not a dependency

Expected behavior We should only store the variables of a dev environment when it is part of a dependency.

check that only the environment variables specified by the user are added to the dependencyEnvs. Others such as KUBECONFIG or OKTETO_NAMESPACE are observed and it shouldn't be included.

[github-actions[bot]]

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