use commit sha instead of tag

variables:

  REFERENCE_TAG: "20231128_Update_Ittiam"

  REFERENCE_COMMIT: "fbf455224fda7e50573d3c9443391b6c14c74933"

  BUILD_OUTPUT: "build_output.txt"

  SCRIPTS_DIR: "/usr/local/scripts"

  EXIT_CODE_NON_BE: 123

  ### build reference binaries

  - git tag

  - pwd

  - ls -altr

  - git status

  - git checkout $REFERENCE_TAG

  - git checkout $REFERENCE_COMMIT

  - make -j

  - mv ./IVAS_cod ./IVAS_cod_ref

  - mv ./IVAS_dec ./IVAS_dec_ref