compile action: add msbuild dependency installation support

Author: JonnyOThan

.github/actions/compile/action.yml

@@ -11,6 +11,9 @@ inputs:
     type: string
   dependency-identifiers:
     type: string
+  dependency-msbuild-target:
+    type: string
+    default: CKANInstall
   solution-file-path:
     type: string
 
@@ -39,6 +42,12 @@ runs:
       with:
         dependency-identifiers: ${{ inputs.dependency-identifiers }}
 
+    - name: Install Dependencies With MSBuild
+      if: inputs.dependency-msbuild-target != ''
+      shell: bash
+      working-directory: ${{ github.workspace }}
+      run: msbuild /t:{{ inputs.dependency-msbuild-target }} /p:KSPRoot=${{ env.KSP_ROOT }} ${{ inputs.solution-file-path }}
+
     - name: Download KSP Libs
       shell: bash
       run: |