ci: Make dispatch-workflow.yml GitHub job names a bit friendlier (#31340)

This makes the names match the ones used in the workflows themselves.

.github/workflows/dispatch-workflow.yml

@@ -21,6 +21,7 @@ on:
 jobs:
   win:
     if: ${{ inputs.workflow == 'windows' }}
+    name: Windows
     uses: ./.github/workflows/windows.yml
     secrets: inherit
     with:
@@ -29,6 +30,7 @@ jobs:
 
   macos:
     if: ${{ inputs.workflow == 'macos' }}
+    name: MacOS
     uses: ./.github/workflows/mac.yml
     secrets: inherit
     with:
@@ -39,6 +41,7 @@ jobs:
 
   linux:
     if: ${{ inputs.workflow == 'linux' }}
+    name: Linux
     uses: ./.github/workflows/linux.yml
     secrets: inherit
     with:
@@ -49,6 +52,7 @@ jobs:
 
   android:
     if: ${{ inputs.workflow == 'android' }}
+    name: Android
     uses: ./.github/workflows/android.yml
     secrets: inherit
     with:

.github/workflows/linux.yml

@@ -154,7 +154,7 @@ jobs:
 
   wpt-2020:
     if: ${{ inputs.wpt-layout == '2020' || inputs.wpt-layout == 'all' }}
-    name: Linux WPT Tests 2020
+    name: Linux WPT
     needs: ["build"]
     uses: ./.github/workflows/linux-wpt.yml
     with:
@@ -166,7 +166,7 @@ jobs:
 
   wpt-2013:
     if: ${{ inputs.wpt-layout == '2013' || inputs.wpt-layout == 'all' }}
-    name: Linux WPT Tests 2013
+    name: Linux WPT (Legacy)
     needs: ["build"]
     uses: ./.github/workflows/linux-wpt.yml
     with:

.github/workflows/mac.yml

@@ -1,4 +1,4 @@
-name: Mac
+name: MacOS
 
 on:
   workflow_call:
@@ -58,7 +58,7 @@ env:
 
 jobs:
   build:
-    name: Mac Build
+    name: MacOS Build
     runs-on: macos-13
     steps:
       # XProtect can cause random failures if it decides that the DMG we create
@@ -150,7 +150,7 @@ jobs:
 
   wpt-2020:
     if: ${{ inputs.wpt-layout == '2020' || inputs.wpt-layout == 'all' }}
-    name: Mac WPT Tests 2020
+    name: MacOS WPT
     needs: ["build"]
     uses: ./.github/workflows/mac-wpt.yml
     with:
@@ -161,7 +161,7 @@ jobs:
 
   wpt-2013:
     if: ${{ inputs.wpt-layout == '2013' || inputs.wpt-layout == 'all' }}
-    name: Mac WPT Tests 2013
+    name: MacOS WPT (Legacy)
     needs: ["build"]
     uses: ./.github/workflows/mac-wpt.yml
     with: