poco: use version range for expat

[mayeut]

Specify library name and version: poco/all

expat<2.6.2 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.

[github-actions]

Hooks produced the following warnings for commit 492b2a1

poco/1.13.1@#c19667fb66b1717dd2e1b3b79ab9190e

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNet.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNetd.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.

poco/1.13.3@#007642154974b1f81167b7a3581749aa

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNet.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNetd.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.

poco/1.13.0@#0c63c227b3f17db213f977738222c7c2

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNet.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNetd.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.

poco/1.13.2@#f5586056801e01030b1aa44c792d0209

post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNetd.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.
post_package(): WARN: [MISSING SYSTEM LIBS (KB-H043)] Library '.\bin\PocoNet.dll' links to system library 'mswsock' but it is not in cpp_info.system_libs.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 9 (d1a1c6a600f4d91fbe926fb8dacd55e58079c23e):

• poco/1.13.2:
  All packages built successfully! (All logs)

• poco/1.13.3:
  All packages built successfully! (All logs)

• poco/1.13.1:
  All packages built successfully! (All logs)

• poco/1.13.0:
  All packages built successfully! (All logs)

• poco/1.12.5p2:
  All packages built successfully! (All logs)

• poco/1.12.0:
  All packages built successfully! (All logs)

• poco/1.12.2:
  All packages built successfully! (All logs)

• poco/1.12.5p1:
  All packages built successfully! (All logs)

• poco/1.12.4:
  All packages built successfully! (All logs)

• poco/1.12.1:
  All packages built successfully! (All logs)

• poco/1.11.3:
  All packages built successfully! (All logs)

• poco/1.12.3:
  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 6 (d1a1c6a600f4d91fbe926fb8dacd55e58079c23e):

• poco/1.13.3:
  All packages built successfully! (All logs)

• poco/1.13.2:
  All packages built successfully! (All logs)

• poco/1.13.1:
  All packages built successfully! (All logs)

• poco/1.12.5p1:
  All packages built successfully! (All logs)

• poco/1.13.0:
  All packages built successfully! (All logs)

• poco/1.12.0:
  All packages built successfully! (All logs)

• poco/1.12.5p2:
  All packages built successfully! (All logs)

• poco/1.12.4:
  All packages built successfully! (All logs)

• poco/1.11.3:
  All packages built successfully! (All logs)

• poco/1.12.3:
  All packages built successfully! (All logs)

• poco/1.12.1:
  All packages built successfully! (All logs)

• poco/1.12.2:
  All packages built successfully! (All logs)

[conan-center-bot]

This PR has been automatically merged due to Bump version or Bump dependencies label.
Read https://github.com/conan-io/conan-center-index/blob/master/docs/labels.md#bump-version to obtain more information.