This update for obs-service-format_spec_file fixes the following issues:

Update to version 20240121: (bsc#1237188)

  * update licenses
  * Fix formatting of overlong tags
  * set header_name to the spec file name
  * Sync licenses with SPDX spec

Update to version 20230712:

  * Sync SPDX licenses
  * Sync SPDX licenses

Update to version 20230522:

  * Sync SPDX licenses
  * Add needspubkeyforbuild

Update to version 20221113:

  * licences_exceptions.txt: rename to licenses_exceptions.txt
  * Fetch updated licenses
  * Add test case for bsc#1194504

- do not enter empty license line if not found (eg in include file)
  (bsc#624980)
- fix empty line handling (multiple subsequent empty lines)
  lines in a package, for example in if-constructs)
- cleanup prepare_spec, drop Needed.pm