Fix common build yaml name

Author: mkardous-silabs

.github/workflows/lighting-app.yaml

@@ -12,7 +12,7 @@ on:
 jobs:
     build:
         name: Build Lighting-App variations
-        uses: ./.github/workflows/common-build.yaml
+        uses: ./.github/workflows/silabs-common-build.yaml
         with:
             example-app: "lighting-app"
             output-directory: "./out/lighting-app"

.github/workflows/lock-app.yaml

@@ -12,7 +12,7 @@ on:
 jobs:
     build:
         name: Build Lock-App variations
-        uses: ./.github/workflows/common-build.yaml
+        uses: ./.github/workflows/silabs-common-build.yaml
         with:
             example-app: "lock-app"
             output-directory: "./out/lock-app"