Add ability to set working directory

As we are working to move the openvox-agent vanagon repo into the openvox repo itself under the 'packaging' dir, this allows us to set the working directory for relevant build commands so we can operate out of that directory.

Author: nmburgan

.github/workflows/build_vanagon.yml

@@ -20,6 +20,11 @@ on:
         required: false
         type: string
         default: 'main'
+      working_directory:
+        description: 'The directory inside the repo containing the vanagon project. For repos that are specifically vanagon projects, leave this as default.'
+        required: false
+        type: string
+        default: '.'
 
 env:
   VANAGON_LOCATION: "https://github.com/openvoxproject/vanagon#${{ inputs.vanagon_branch }}"
@@ -178,10 +183,12 @@ jobs:
           echo "none /cygdrive cygdrive binary,noacl,posix=0,user 0 0" | Out-File -FilePath C:\cygwin64\etc\fstab -Encoding ASCII
 
       - name: Bundle install
+        working-directory: ${{ inputs.working_directory }}
         run: bundle install --retry=3
 
       - name: Run build script and save git describe
         id: build
+        working-directory: ${{ inputs.working_directory }}
         run: |-
           rm -rf output
           DESCRIBE=$(git describe --abbrev=9)
@@ -190,11 +197,13 @@ jobs:
 
       - name: Upload build artifacts
         uses: actions/upload-artifact@v4
+        working-directory: ${{ inputs.working_directory }}
         with:
           name: build-artifacts-${{ steps.build.outputs.describe }}-${{ matrix.platform }}
           path: output/
 
       - name: Upload output to S3
+        working-directory: ${{ inputs.working_directory }}
         env:
           ENDPOINT_URL: ${{ secrets.S3_ENDPOINT_URL }}
           BUCKET_NAME: ${{ secrets.S3_ARTIFACTS_BUCKET_NAME }}