optimize Apple Silicon publishing workflow

- rename to align with other publish workflows
- turn on target-cpu=native as M1 and M2 chips have same instruction set
- remove unneeded musl build prep

[skip ci]

.github/workflows/macOS-arm64-selfhosted-publish.yml

@@ -1,4 +1,4 @@
-name: Apple Silicon Publish
+name: Publish Apple Silicon
 
 on:
   push:
@@ -55,14 +55,9 @@ jobs:
       with:
         submodules: recursive
         ref: ${{ needs.analyze-tags.outputs.previous-tag }}
-    - name: build prep for x86_64-unknown-linux-musl
-      if: ${{ matrix.job.musl-prep }}
-      run: |
-        sudo apt-get install musl-tools musl-dev
-        sudo ln -s /usr/bin/g++ /usr/bin/musl-g++
     - name: Build qsv
       env:
-        RUSTFLAGS: --emit=asm
+        RUSTFLAGS: --emit=asm -C target-cpu=native
       uses: actions-rs/cargo@v1
       with:
         command: build
@@ -71,7 +66,7 @@ jobs:
         args: --release --locked --bin qsv --target ${{ matrix.job.target }} ${{ matrix.job.addl-build-args }},feature_capable ${{ matrix.job.default-features }}
     - name: Build qsvlite
       env:
-        RUSTFLAGS: --emit=asm
+        RUSTFLAGS: --emit=asm -C target-cpu=native
       uses: actions-rs/cargo@v1
       with:
         command: build
@@ -80,7 +75,7 @@ jobs:
         args: --release --locked --bin qsvlite --features=lite,self_update,${{ matrix.job.addl-qsvlite-features }} --target ${{ matrix.job.target }} ${{ matrix.job.default-features }}
     - name: Build qsvdp
       env:
-        RUSTFLAGS: --emit=asm
+        RUSTFLAGS: --emit=asm -C target-cpu=native
       uses: actions-rs/cargo@v1
       with:
         command: build