Bump webpack from 4.44.2 to 5.94.0 in /cobalt/demos/content/media-element-demo #3037

Job	Run time
linux-clang-3-9 / initialize	0s
linux-gcc-6-3 / initialize	0s
linux-modular / initialize	0s
linux-x64 / initialize	0s
linux-clang-3-9 / docker-build-image	0s
linux-clang-3-9 / docker-unittest-image	0s
linux-gcc-6-3 / docker-build-image	0s
linux-gcc-6-3 / docker-unittest-image	0s
linux-modular / docker-unittest-image	0s
linux-x64 / docker-build-image	0s
linux-x64 / docker-unittest-image	0s
linux-modular / docker-build-image	0s
linux-gcc-6-3 / ${{ matrix.name }}_${{ matrix.config }}	0s
linux-modular / ${{ matrix.name }}_${{ matrix.config }}	0s
linux-clang-3-9 / ${{ matrix.name }}_${{ matrix.config }}	0s
linux-x64 / ${{ matrix.name }}_${{ matrix.config }}	0s
linux-clang-3-9 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
linux-gcc-6-3 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
linux-gcc-6-3 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
linux-clang-3-9 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
linux-modular / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
linux-modular / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
linux-x64 / ${{ matrix.name }}_on_device_${{ matrix.shard }}	0s
linux-x64 / ${{ matrix.name }}_${{ matrix.shard }}_test	0s
	0s

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