[bootlin/training-materials] 30fc79: .github/actions: add texlive-fmtcount dependency

[Thomas Petazzoni]

  Branch: refs/heads/master
  Home:   https://github.com/bootlin/training-materials
  Commit: 30fc79890b891f1bf8450ef549ed4c5919206ae2
      https://github.com/bootlin/training-materials/commit/30fc79890b891f1bf8450ef549ed4c5919206ae2
  Author: Thomas Petazzoni <thomas.petazzoni at bootlin.com>
  Date:   2023-01-02 (Mon, 02 Jan 2023)

  Changed paths:
    M .github/actions/build-material-action/Dockerfile

  Log Message:
  -----------
  .github/actions: add texlive-fmtcount dependency

Needed as we use the fmtcount LaTeX package.

Signed-off-by: Thomas Petazzoni <thomas.petazzoni at bootlin.com>