use full path in ARTIFACT_PATH

Author: davegarthsimpson

.github/workflows/build.yml

@@ -430,11 +430,11 @@ jobs:
         with:
           name: ${{ env.JOB_TRANSFER_ARTIFACT }}
           path: ${{ env.BUILD_ARTIFACTS_PATH }}
-
+      
       - name: Save artifact path to variable
         run: |
-          # Find the artifact ending with 'Windows_64bit.exe' in the specified download directory
-          ARTIFACT_PATH=$(find ${{ env.BUILD_ARTIFACTS_PATH }} -name "*Windows_64bit.exe")
+          # Find the artifact ending with 'Windows_64bit.exe' in the specified download directory and prepend the full path
+          ARTIFACT_PATH=$(find ${{ env.BUILD_ARTIFACTS_PATH }} -name "*Windows_64bit.exe" -exec realpath {} \;)
           echo "ARTIFACT_PATH=${ARTIFACT_PATH}" >> $GITHUB_ENV
 
       - name: Save Win signing certificate to file