Dso get-config cannot handle dicts in dvc input or output dependencies

[tschwarzl]

Description of bug

Having list of files in params.yaml

input:
    bulkRNASeq: "blub.txt"
    scRNASeq: "bla.txt"

and using input in dvc.yaml deps

deps:
   - ${ input } 

will result in an error with dvc get-config
Cannot interpolate data of type 'dict'

DSO Error log

dso repro 0201_Preprocessing

# full log not possible, here the tail:

[10/29/24 11:48:06] INFO     Configuration compiled successfully.                                                                            
                    INFO     Running `dvc repro 0201_Preprocessing`                                                                          
ERROR: failed to parse 'stages.0201_Preprocessing.deps' in 'dvc.yaml':
Cannot interpolate data of type 'dict'

Before submitting

• I am using the latest release of DSO.
• I have included a full DSO log, not truncated.