[proj] Disable hardcoded definition PROJ_DATA

[WangWeiLin-MV]

Fix #40055, backport https://github.com/OSGeo/PROJ/commit/bddac146b2aa9db78cd491153aaad260eb307b11

Turn off option EMBED_PROJ_DATA_PATH

Checklist

• [x] Changes comply with the maintainer guide.
• [x] SHA512s are updated for each updated download.
• [ ] ~The "supports" clause reflects platforms that may be fixed by this new version.~
• [ ] ~Any fixed CI baseline entries are removed from that file.~
• [ ] ~Any patches that are no longer applied are deleted from the port's directory.~
• [x] The version database is fixed by rerunning ./vcpkg x-add-version --all and committing the result.
• [x] Only one version is added to each modified port's versions file.

Test

The port usage tests pass with the following triplets:

• x64-windows