Handle row names in tibble deprecation

[mradamcox]

A deprecation notice appears when running load_oeps_dictionary:

data_dictionary <- load_oeps_dictionary(scale="state")
Warning message:
Setting row names on a tibble is deprecated.

Here are some related links that may be helpful for whenever we can address this:

• https://stackoverflow.com/questions/50166614/setting-row-names-on-a-tibble-is-deprecated-error-invalid-row-names-length
• newer version of R(packages) did not add rowname to dds object sidbdri/cookiecutter-de_analysis_skeleton#150

R version details:

> R.version
               _                           
platform       x86_64-pc-linux-gnu         
arch           x86_64                      
os             linux-gnu                   
system         x86_64, linux-gnu           
status                                     
major          4                           
minor          4.2                         
year           2024                        
month          10                          
day            31                          
svn rev        87279                       
language       R                           
version.string R version 4.4.2 (2024-10-31)
nickname       Pile of Leaves