Disable building for aarch64 on linux in CI.

Disable building for aarch64 on linux in CI as it give error when
trying to select "%llvm.aarch64.crypto.eor3u" intrinsic.

    cargo:warning=fatal error: error in backend: Cannot select: intrinsic %llvm.aarch64.crypto.eor3u
    cargo:warning=zig: error: clang frontend command failed with exit code 70 (use -v to see invocation)
    cargo:warning=clang version 18.1.6 (https://github.com/ziglang/zig-bootstrap 98bc6bf4fc4009888d33941daf6b600d20a42a56)
    cargo:warning=Target: aarch64-unknown-linux-gnu
    cargo:warning=Thread model: posix
    cargo:warning=InstalledDir: /usr/bin
    cargo:warning=zig: note: diagnostic msg:
    cargo:warning=********************
    cargo:warning=
    cargo:warning=PLEASE ATTACH THE FOLLOWING FILES TO THE BUG REPORT:
    cargo:warning=Preprocessed source(s) and associated run script(s) are located at:
    cargo:warning=zig: note: diagnostic msg: /tmp/crc32-fa4a8a.c
    cargo:warning=zig: note: diagnostic msg: /tmp/crc32-fa4a8a.sh
    cargo:warning=zig: note: diagnostic msg:
    cargo:warning=
    cargo:warning=********************
    exit status: 0
    exit status: 0
    exit status: 0
    exit status: 1
    cargo:warning=ToolExecError: command did not execute successfully (status code exit status: 1): LC_ALL="C" "sccache" "/home/runner/.cache/cargo-zigbuild/0.20.0/zigcc-aarch64-unknown-linux-gnu.2.17-f712.sh" "-O3" "-ffunction-sections" "-fdata-sections" "-fPIC" "--target=aarch64-unknown-linux-gnu" "-I" "libdeflate" "-o" "/home/runner/work/scatac_fragment_tools/scatac_fragment_tools/rust/target/aarch64-unknown-linux-gnu/release/build/libdeflate-sys-45997f39fc8f822d/out/lib/81d37bb229f1c0d9-crc32.o" "-c" "libdeflate/lib/crc32.c"

Author: ghuls

.github/workflows/CI.yml

@@ -26,8 +26,6 @@ jobs:
         platform:
           - runner: ubuntu-22.04
             target: x86_64
-          - runner: ubuntu-22.04
-            target: aarch64
     steps:
       - uses: actions/checkout@v4
       - uses: actions/setup-python@v5