GHA: tweak some names (NFC)

Clean up the job names to be consistent throughout.

Author: compnerd

.github/workflows/swift-toolchain.yml

@@ -291,6 +291,8 @@ jobs:
       matrix:
         arch: ['amd64', 'arm64']
 
+    name: Windows ${{ matrix.arch }} CMark GFM
+
     steps:
       - uses: actions/checkout@v4
         with:
@@ -342,6 +344,8 @@ jobs:
     needs: [cmark_gfm]
     runs-on: ${{ inputs.default_build_runner }}
 
+    name: Windows amd64 Compiler Build Tools
+
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -460,6 +464,8 @@ jobs:
             cpu: 'aarch64'
             triple: 'aarch64-unknown-windows-msvc'
 
+    name: Windows ${{ matrix.arch }} Toolchain
+
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -2010,6 +2016,8 @@ jobs:
             cpu: 'aarch64'
             triple: 'aarch64-unknown-windows-msvc'
 
+    name: Windows ${{ matrix.arch }} Developer Tools
+
     steps:
       - uses: actions/download-artifact@v4
         with:
@@ -2693,9 +2701,7 @@ jobs:
           symbolsFolder: ${{ github.workspace }}/BinaryCache
           searchPattern: '**/*.exe'
 
-
   debugging_tools:
-    name: Debugging Tools
     needs: [compilers, devtools, stdlib, sdk]
     runs-on: ${{ inputs.default_build_runner }}
 
@@ -2710,6 +2716,8 @@ jobs:
             cpu: aarch64
             triple: aarch64-unknown-windows-msvc
 
+    name: Windows ${{ matrix.arch }} Debugging Tools
+
     steps:
       - name: Download Compilers
         uses: actions/download-artifact@v4