opentdf-client: use version range for libxml2

[mayeut]

Specify library name and version: opentdf-client/all

libxml2<2.12.5 has known security issues. We can now use version range: c.f. #23277

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• I've read the contributing guidelines.
• I've used a recent Conan client version close to the currently deployed.
• I've tried at least one configuration locally with the conan-center hook activated.

[AbrilRBS]

Thanks a lot! Let's see if the upstream PR is approved before merging this one, feel free to ping me once there are updates there :)

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 5 (5813242f0c2dcb3251a2de6a33bedcbd7b453f47):

• opentdf-client/1.5.4:
  All packages built successfully! (All logs)

• opentdf-client/1.5.6:
  All packages built successfully! (All logs)

• opentdf-client/1.5.3:
  All packages built successfully! (All logs)

• opentdf-client/1.3.10:
  All packages built successfully! (All logs)

• opentdf-client/1.4.0:
  All packages built successfully! (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 5 (5813242f0c2dcb3251a2de6a33bedcbd7b453f47):

• opentdf-client/1.5.4:
  All packages built successfully! (All logs)

• opentdf-client/1.5.6:
  All packages built successfully! (All logs)

• opentdf-client/1.5.3:
  All packages built successfully! (All logs)

• opentdf-client/1.3.10:
  All packages built successfully! (All logs)

• opentdf-client/1.4.0:
  All packages built successfully! (All logs)

[jcar87]

We're still waiting for the maintainers of opentdf to comment on: opentdf/client-cpp#140.
Looks like there's recent activity in opentdf/client-cpp#146