debug upb build failure on mac

Author: duncanpo

.github/workflows/mac_upb_debug.yml

@@ -0,0 +1,39 @@
+name: "Debug Mac upb build failure"
+on: 
+    workflow_dispatch:
+    push:
+      branches: 
+        - mac_upb_debug
+env:
+  MLM_LICENSE_TOKEN: ${{ secrets.MLM_LICENSE_TOKEN }}
+jobs:
+    build-and-run-tests-macos:
+        runs-on: macos-14
+        needs: get_version
+        env:
+            OPENTELEMETRY_MATLAB_INSTALL: "${{ github.workspace }}/otel_matlab_install"
+        steps:
+            - name: Download OpenTelemetry-Matlab source
+              uses: actions/checkout@v3
+              with: 
+                path: opentelemetry-matlab
+            - name: Install ninja-build
+              run: brew install ninja
+            - name: Install MATLAB
+              uses: matlab-actions/setup-matlab@v2
+              with:
+                release: R2025a
+                products: MATLAB_Compiler MATLAB_Compiler_SDK
+            - name: Build OpenTelemetry-Matlab
+              working-directory: opentelemetry-matlab
+              run: |
+                  cmake -S . -B build -G Ninja -DCMAKE_BUILD_TYPE=Release -DWITH_EXAMPLES=ON -DWITH_OTLP_GRPC=ON -DUSE_BATCH_FOR_MCC=ON -DCMAKE_INSTALL_PREFIX=${{ env.OPENTELEMETRY_MATLAB_INSTALL }}
+                  cmake --build build --config Release --target install
+            - name: Run tests
+              env:
+                 # Add the installation directory to the MATLAB Search Path by
+                 # setting the MATLABPATH environment variable.
+                 MATLABPATH: ${{ env.OPENTELEMETRY_MATLAB_INSTALL }}
+              uses: matlab-actions/run-tests@v2
+              with:
+                 select-by-folder: opentelemetry-matlab/test