Bump ExpressBase.jl to v0.7.0 #711

Job	Run time
Documentation	23s
Julia 1.3 - ubuntu-latest - x64 - push	2s
Julia 1.3 - ubuntu-latest - x86 - push	1s
Julia 1.3 - macOS-latest - x64 - push	1s
Julia 1.3 - windows-latest - x64 - push	1s
Julia 1.3 - windows-latest - x86 - push	1s
Julia 1.6 - ubuntu-latest - x64 - push	1s
Julia 1.6 - ubuntu-latest - x86 - push	1s
Julia 1.6 - macOS-latest - x64 - push	2s
Julia 1.6 - windows-latest - x64 - push	1s
Julia 1.6 - windows-latest - x86 - push	2s
Julia 1.7 - ubuntu-latest - x64 - push	1s
Julia 1.7 - ubuntu-latest - x86 - push	1s
Julia 1.7 - macOS-latest - x64 - push	2s
Julia 1.7 - windows-latest - x64 - push	1s
Julia 1.7 - windows-latest - x86 - push	2s
Julia 1.8 - ubuntu-latest - x64 - push	2s
Julia 1.8 - ubuntu-latest - x86 - push	1s
Julia 1.8 - macOS-latest - x64 - push	1s
Julia 1.8 - windows-latest - x64 - push	2s
Julia 1.8 - windows-latest - x86 - push	2s
Julia nightly - ubuntu-latest - x64 - push	2s
Julia nightly - ubuntu-latest - x86 - push	2s
Julia nightly - macOS-latest - x64 - push	1s
Julia nightly - windows-latest - x64 - push	1s
Julia nightly - windows-latest - x86 - push	1s
	58s

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