libxmlpp: add version 5.4.0

[toge]

Summary

Changes to recipe: libxmlpp/5.4.0

Motivation

There are a new feature in 5.4.0.

Details

libxmlplusplus/libxmlplusplus@5.2.0...5.4.0

---

• 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

[AbrilRBS]

Sorry for the delay @toge :) I've cleanup up the recipe a tad more, and updated its requirements to match current CCI range policies

[conan-center-bot]

Conan v1 pipeline ✔️

Warning

Conan Center will stop receiving updates for Conan 1.x packages soon - please see announcement.

All green in build 7 (e9ffcb1c92c4734d196869e3435acce97dfa3131):

• libxmlpp/5.4.0:
  Built 18 packages out of 22 (All logs)

• libxmlpp/5.2.0:
  Built 20 packages out of 22 (All logs)

• libxmlpp/5.0.1:
  Built 20 packages out of 22 (All logs)

• libxmlpp/5.0.3:
  Built 20 packages out of 22 (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 6 (e9ffcb1c92c4734d196869e3435acce97dfa3131):

• libxmlpp/5.2.0:
  Built 4 packages out of 10 (All logs)

• libxmlpp/5.4.0:
  Built 4 packages out of 10 (All logs)

• libxmlpp/5.0.3:
  Built 4 packages out of 10 (All logs)

• libxmlpp/5.0.1:
  Built 4 packages out of 10 (All logs)

[ErniGH]

Thanks!