apr/1.7.4: add patch apr-config-prefix-env in order to fix build of apr-util

[SpaceIm]

closes #19936

I've tested locally, and build of apr-util works now.

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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] Support for cross-building using cache file #17609

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 (ebcee4342b973c0d8816e9a3cc872d47cda2f3c2):

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

• apr/1.7.4:
  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 1 (ebcee4342b973c0d8816e9a3cc872d47cda2f3c2):

• apr/1.7.4:
  All packages built successfully! (All logs)

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