PG-1467 Add clang builds to CI

Add clang compiler to CI matrix

.github/workflows/psp-matrix.yml

@@ -12,11 +12,13 @@ jobs:
     strategy:
       matrix:
         os: ['ubuntu-22.04']
+        compiler: [gcc, clang]
         build_type: [debug,debugoptimized]
         build_script: [make, meson]
     uses: ./.github/workflows/psp-reusable.yml
     with:
         os: ${{ matrix.os }}
+        compiler: ${{ matrix.compiler }}
         build_type: ${{ matrix.build_type }}
         build_script: ${{ matrix.build_script }}
     secrets: inherit

.github/workflows/psp-reusable.yml

@@ -5,6 +5,9 @@ on:
       os:
         type: string
         required: true
+      compiler:
+        type: string
+        required: true
       build_type:
         type: string
         required: true
@@ -13,7 +16,8 @@ on:
         required: true
 
 env:
-  artifact_name: build-${{ inputs.os }}-${{ inputs.build_script }}-${{ inputs.build_type }}
+  artifact_name: build-${{ inputs.os }}-${{ inputs.compiler }}-${{ inputs.build_script }}-${{ inputs.build_type }}
+  CC: ${{ inputs.compiler }}
 
 jobs:
   build: