Add inspection step for VPX/WebM object ABI

Added a step to inspect VPX/WebM object ABI using dumpbin.

Author: Kitsune44

.github/workflows/build.yaml

@@ -36,6 +36,13 @@ jobs:
         working-directory: src/game/server
         run: MSBuild.exe swarm_sdk_server.vcxproj -property:Configuration=Release
 
+      - name: Inspect VPX/WebM + object ABI
+        working-directory: src/game/client
+        shell: cmd
+        run: |
+          dumpbin /headers videoservices\lib\win32\vpx_mt.lib
+          dumpbin /headers Release_swarm\blackbox_helper.obj
+
       # client.dll
       - name: Build client.dll
         working-directory: src/game/client