taocpp-pegtl: add new version 3.2.8

[toge]

Summary

Changes to recipe: taocpp-pegtl/3.2.8

Motivation

Although there is an minor changes in 3.2.8, this is the first release in two years,

Details

taocpp/PEGTL@3.2.7...3.2.8

---

• Read the contributing guidelines
• Checked that this PR is not a duplicate: list of PRs by recipe
• Tested locally with at least one configuration using a recent version of Conan

[ErniGH]

LGTM!

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 3 (2bb9a3dbe8805c0ea758c5e749686992d0d5398b):

• taocpp-pegtl/3.2.8:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.2.6:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.0.0:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.2.5:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.1.0:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.2.0:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.2.1:
  Built 5 packages out of 11 (All logs)

• taocpp-pegtl/3.2.7:
  Built 5 packages out of 11 (All logs)

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Conan v2 pipeline ✔️

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

All green in build 3 (2bb9a3dbe8805c0ea758c5e749686992d0d5398b):

• taocpp-pegtl/3.2.7:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.2.8:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.2.5:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.2.6:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.2.1:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.1.0:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.2.0:
  Built 4 packages out of 5 (All logs)

• taocpp-pegtl/3.0.0:
  Built 4 packages out of 5 (All logs)

[uilianries]

There are small changes related to filesytem, but they are not used in headers yet, only exposed by cmake:

taocpp/PEGTL@3.2.7...3.2.8#diff-1e7de1ae2d059d21e1dd75d5812d5a34b0222cef273b7c3a2af62eb747f9d20aR86

Heads-up for 4.x that will change the license to BSL-1.0