[MAINT] migrate github_branch_default to context-aware CRUD functions and tflog#3327

ElenaZvereva wants to merge 4 commits into

integrations:mainintegrations/terraform-provider-github:mainfrom

ElenaZvereva:migrate-branch-default-context-tflogElenaZvereva/terraform-provider-github:migrate-branch-default-context-tflogCopy head branch name to clipboard