Update qemu.yaml

Renaming this, so we can differentiate it
diff --git a/.github/workflows/qemu.yaml b/.github/workflows/qemu.yaml
index 783c46e..5f9bbe7 100644
--- a/.github/workflows/qemu.yaml
+++ b/.github/workflows/qemu.yaml
@@ -32,7 +32,7 @@
 jobs:
 
     qemu-esp32:
-        name: ESP32
+        name: ESP32_QEMU
 
         env:
             BUILD_TYPE: esp32-qemu