apr: add package_type (and generate v2 packages)

[SpaceIm]

#16142 can't be tested in v2 pipeline if pre-built apr packages are missing

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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.

[ghost]

I detected other pull requests that are modifying apr/all recipe:

• apr: allow recipes which support cross_building to consume exising apr binaries #16782

This message is automatically generated by https://github.com/ericLemanissier/conan-center-conflicting-prs so don't hesitate to report issues/improvements there.

[conan-center-bot]

Conan v1 pipeline ✔️

All green in build 1 (6a5fae1d796f5a7e9b00447b66386a174fc35c4f):

• apr/1.7.0@:
  All packages built successfully! (All logs)

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Conan v2 pipeline (informative, not required for merge) ✔️

Note: Conan v2 builds are informative and they are not required for the PR to be merged.

All green in build 1 (6a5fae1d796f5a7e9b00447b66386a174fc35c4f):

• apr/1.7.0@:
  All packages built successfully! (All logs)