chore: bump actions/upload-artifact from 5 to 7 in /.github/actions/build-prqlc (#5892)

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

.github/actions/build-prqlc/action.yaml

@@ -102,7 +102,7 @@ runs:
         7z a "../../../${ARTIFACT_NAME}" prqlc.exe ../../../LICENSE README.md
 
     - name: Upload prqlc
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v7
       with:
         name: prqlc-${{ inputs.target }}-${{ inputs.profile }}
         path: ${{ env.ARTIFACT_NAME }}