Read in var synopsis and apply data labels

[slb2240]

For PR submission: What changes are involved in this pull request?

• Read in variable synopsis in pull_data_synapse()
• Applied data labels to clinical datasets Is there a GitHub issue corresponding to this pull request? If so, please provide link.

  1

Checklist for PR Reviewer

• [x] Make sure all updates from master branch are pulled to branch issuing pull request
• [x] Confirm package dependencies are installed by running renv::install()
• [ ] For bug corrections, check that unit test was added
• [x] usethis::use_spell_check() runs with no spelling errors in documentation
• [x] R CMD Check runs without errors, warnings, and notes
• [x] Document changes from this pull request in NEWS.md file
• [x] Run pkgdown::build_site(). Check the R console for errors, and review the rendered website. If there are errors returned, try running pkgdown::build_site(new_process = FALSE) for better error messaging.
• [ ] Code coverage is suitable for any new functions/features. Review coverage with covr::report(). Before you run, begin in a fresh R session without any packages loaded and set Sys.setenv(NOT_CRAN="true").
• [x] Increment the version number using usethis::use_version(which = "dev")
• [x] Approve and merge pull request

[slb2240]

GitHub actions failing because variable synopsis file for NSCLC v1.1-consortium has columns "VARNAME" instead of "Variable Name" and "DISPLAY NAME" instead of "Field Label"