CI: cleanup naming conventions (#11)

Signed-off-by: Stephen Gutekanst <stephen@hexops.com>

.github/workflows/ci.yml

@@ -2,7 +2,7 @@ name: CI
 on:
   - push
 jobs:
-  linux:
+  x86_64-linux:
     runs-on: ubuntu-latest
     steps:
       - name: Checkout
@@ -11,7 +11,7 @@ jobs:
         run: |
           sudo apt install xz-utils
           sudo sh -c 'wget -c https://ziglang.org/builds/zig-linux-x86_64-0.9.0-dev.347+628f490c5.tar.xz -O - | tar -xJ --strip-components=1 -C /usr/local/bin'
-      - name: mach::test cross Linux->MacOS
+      - name: x86_64-linux -> x86_64-macos
         run: zig build test -Dtarget=x86_64-macos
         env:
           AGREE: true
@@ -20,7 +20,7 @@ jobs:
       #   run: zig build test
       - name: webgpu::test
         run: cd webgpu && zig build test
-  windows:
+  x86_64-windows:
     runs-on: windows-latest
     steps:
       - name: Checkout
@@ -33,7 +33,7 @@ jobs:
           cd C:\
           7z x zig.zip
           Add-Content $env:GITHUB_PATH "C:\zig-windows-x86_64-0.9.0-dev.441+7b5d139fd\"
-      - name: mach::test cross Windows->MacOS
+      - name: cross x86_64-windows -> x86_64-macos
         # TODO(slimsag): bug: `zig build test -Dtarget=x86_64-macos` fails on Windows with `error: Unexpected`
         # Maybe an issue in final linking? Maybe it's trying to run the Mac binary? Needs investigation
         run: zig build install -Dtarget=x86_64-macos
@@ -57,7 +57,7 @@ jobs:
         run: zig build test
         env:
           AGREE: true
-      - name: mach::test cross x86_64-macos -> aarch64-macos
+      - name: cross x86_64-macos -> aarch64-macos
         run: zig build test -Dtarget=aarch64-macos
         env:
           AGREE: true