Fix PPC64 page size in binary builds.

## Summary

Add maturin build flag to set 64kb page size on PPC64 and PPC64LE
architectures. Not aware of modern systems that use 4kb pages.

Resolves astral-sh#6528

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# Author:    Tom <53666156+tom-miller1@users.noreply.github.com>
# Date:      Wed Sep 11 11:10:13 2024 -0400
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#	modified:   build-binaries.yml
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.github/workflows/build-binaries.yml

@@ -431,8 +431,12 @@ jobs:
         platform:
           - target: powerpc64le-unknown-linux-gnu
             arch: ppc64le
+            # see https://github.com/astral-sh/uv/issues/6528
+            maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
           - target: powerpc64-unknown-linux-gnu
             arch: ppc64
+            # see https://github.com/astral-sh/uv/issues/6528
+            maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
 
     steps:
       - uses: actions/checkout@v4
@@ -576,6 +580,8 @@ jobs:
             arch: armv7
           - target: powerpc64le-unknown-linux-musl
             arch: ppc64le
+            # see https://github.com/astral-sh/uv/issues/6528
+            maturin_docker_options: -e JEMALLOC_SYS_WITH_LG_PAGE=16
             toolchain: nightly
       fail-fast: false