framework: update checkout.

Submodule framework ec92a1e..62dffe1:
  > hooks/fancy: add an experimental output post-processing thread to merge adjacent BUSY and DONE/FAILED lines.
  > hooks/fancy: print_prefix_text: use PRINT_COLORIZE_TEXT instead of COLORIZE_TEXT to avoid name conflicts.
  > hooks/fancy: print_prefix_text: add missing stderr redirection.
  > hooks/fancy: rewrite.
  > scripts/globals: report(): bikeshed a bit.
  > scripts/globals: sanitize log/err/notice prefixes a bit; add report_warn().
  > scripts/globals: add report_done() as alias to report_success().
  > scripts/globals: clarify check_decl() inapplicability to check variables.