update json array syntax in workflow

Author: leighmcculloch

.github/workflows/newbuild.yml

@@ -150,7 +150,7 @@ jobs:
     if: needs.prepare.outputs.deps-to-build
     strategy:
       matrix:
-        dep: ${{ fromJSON(needs.prepare.outputs.deps-to-build || "[]") }}
+        dep: ${{ fromJSON(needs.prepare.outputs.deps-to-build || '[]') }}
       fail-fast: false
     name: build ${{ matrix.dep.name }} ${{ matrix.dep.repo }} ${{ matrix.dep.ref }} ${{ matrix.dep.arch }} ${{ matrix.dep.options && toJSON(matrix.dep.options) }}
     runs-on: ${{ matrix.dep.name == 'core' && (matrix.dep.arch == 'arm64' && 'ubuntu-jammy-16-cores-amd64' || 'ubuntu-latest-16-cores') || (matrix.dep.arch == 'arm64' && 'ubuntu-24.04-arm' || 'ubuntu-latest') }}