Workflows ask for the runner label that exists

One label per runner, spelled <os>-<arch>. The aliases these jobs named
were removed, and a job naming a label no runner carries waits instead of
failing.

Co-authored-by: Hanzo Dev <[email protected]>

.hanzo/workflows/bridge.yml

@@ -32,7 +32,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: [lux-build-linux-amd64]
+    runs-on: [linux-amd64]
     timeout-minutes: 45
     permissions:
       contents: read

.hanzo/workflows/server.yml

@@ -35,7 +35,7 @@ concurrency:
 
 jobs:
   build:
-    runs-on: [lux-build-linux-amd64]
+    runs-on: [linux-amd64]
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4

.hanzo/workflows/spa.yml

@@ -32,7 +32,7 @@ permissions:
 
 jobs:
   build:
-    runs-on: [lux-build-linux-amd64]
+    runs-on: [linux-amd64]
     timeout-minutes: 45
     steps:
       - uses: actions/checkout@v4