Reapply "Switch to self hosted mac runner (#12024)" with proper fix (#12278)

* Reapply "Switch to self hosted mac runner (#12024)" with proper fix

This reverts commit 783f9926e3.

* use conditional logic for self-hosted runners

* improve readbility

.github/workflows/build_deps.yml

@@ -74,18 +74,17 @@ jobs:
             cd ${{ github.workspace }}/deps/build
 
       - name: Build on Mac ${{ inputs.arch }}
-        if: inputs.os == 'macos-14'
+        if: contains(inputs.os, 'macos')
         working-directory: ${{ github.workspace }}
         run: |
-            brew install automake texinfo libtool
-            brew list
-            brew uninstall --ignore-dependencies zstd
-            ./build_release_macos.sh -dx -a universal -t 10.15 -1
+            if [ -z "${{ vars.SELF_HOSTED }}" ]; then
+              brew install automake texinfo libtool
+            fi
+            ./build_release_macos.sh -dx ${{ !vars.SELF_HOSTED && '-1' || '' }} -a universal -t 10.15
             for arch in arm64 x86_64; do
                 (cd "${{ github.workspace }}/deps/build/${arch}" && \
                 find . -mindepth 1 -maxdepth 1 ! -name 'OrcaSlicer_dep' -exec rm -rf {} +)
             done
-            brew install zstd
 
 
       - name: Apt-Install Dependencies
@@ -104,7 +103,7 @@ jobs:
 
       # Upload Artifacts
       # - name: Upload Mac ${{ inputs.arch }} artifacts
-      #   if: inputs.os == 'macos-14'
+      #   if: contains(inputs.os, 'macos')
       #   uses: actions/upload-artifact@v6
       #   with:
       #     name: OrcaSlicer_dep_mac_${{ env.date }}