CompatHelper: bump compat for Nemo to 0.48, (keep existing compat) (#… #2257

Job	Run time
Documentation	7m 36s
Julia 1 - t=1 - ubuntu-latest - x64 - push	23m 25s
Julia 1 - t=5 - ubuntu-latest - x64 - push	30m 13s
Julia 1.10 - t=1 - ubuntu-latest - x64 - push	25m 39s
Julia 1.10 - t=5 - ubuntu-latest - x64 - push	32m 26s
Julia 1 - t=1 - macos-latest - aarch64 - push	20m 29s
Julia 1 - t=1 - macos-latest - x64 - push	38m 5s
Julia 1 - t=1 - windows-latest - x64 - push	27m 24s
	3h 25m 17s

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