workflows: macos: Build Intel Mac packages by macos-14-large runner

[cosmo0920]

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Testing
Before we can approve your change; please submit the following in a comment:

• Example configuration file for the change
• Debug log output from testing the change

• Attached Valgrind output that shows no leaks or memory corruption was found

If this is a change to packaging of containers or native binaries then please confirm it works for all targets.

• Run local packaging test showing all targets (including any new ones) build.
• Set ok-package-test label to test for all targets (requires maintainer to do).

Documentation

• Documentation required for this feature

Backporting

• Backport to latest stable release.

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Fluent Bit is licensed under Apache 2.0, by submitting this pull request I understand that this code will be released under the terms of that license.

[cosmo0920]

This PR can be done to create Intel Mac packages again:

CPack: -   Building component package: /Users/runner/work/fluent-bit/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/runner/work/fluent-bit/fluent-bit/build/fluent-bit-4.0.0-intel/Contents/Packages/fluent-bit-4.0.0-intel-binary.pkg
CPack: -   Building component package: /Users/runner/work/fluent-bit/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/runner/work/fluent-bit/fluent-bit/build/fluent-bit-4.0.0-intel/Contents/Packages/fluent-bit-4.0.0-intel-headers.pkg
CPack: -   Building component package: /Users/runner/work/fluent-bit/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/runner/work/fluent-bit/fluent-bit/build/fluent-bit-4.0.0-intel/Contents/Packages/fluent-bit-4.0.0-intel-headers-extra.pkg
CPack: -   Building component package: /Users/runner/work/fluent-bit/fluent-bit/build/_CPack_Packages/Darwin/productbuild//Users/runner/work/fluent-bit/fluent-bit/build/fluent-bit-4.0.0-intel/Contents/Packages/fluent-bit-4.0.0-intel-library.pkg
CPack: - package: /Users/runner/work/fluent-bit/fluent-bit/build/fluent-bit-4.0.0-intel.pkg generated.

ref: https://github.com/fluent/fluent-bit/actions/runs/12785651301/job/35641101791?pr=9834#step:4:3393