Fixes #4176 electrode diffusivity rename #9547

Job	Run time
style	25s
Doctests (ubuntu-latest / Python 3.11)	5m 55s
Tests (ubuntu-latest / Python 3.9)	19m 49s
Example scripts (ubuntu-latest / Python 3.12)	10m 44s
Tests (ubuntu-latest / Python 3.10)	20m 31s
Example notebooks (ubuntu-latest / Python 3.12)	20m 13s
Tests (ubuntu-latest / Python 3.11)	17m 55s
Tests (ubuntu-latest / Python 3.12)	20m 52s
Tests (macos-12 / Python 3.9)	26m 32s
Tests (macos-12 / Python 3.10)	17m 1s
Tests (macos-12 / Python 3.11)	21m 54s
Tests (macos-12 / Python 3.12)	17m 8s
Tests (macos-14 / Python 3.9)	11m 14s
Tests (macos-14 / Python 3.10)	24m 59s
Tests (macos-14 / Python 3.11)	22m 3s
Tests (macos-14 / Python 3.12)	10m 42s
Tests (windows-latest / Python 3.9)	25m 8s
Tests (windows-latest / Python 3.10)	27m 48s
Tests (windows-latest / Python 3.11)	26m 6s
Tests (windows-latest / Python 3.12)	24m 11s
	6h 11m 10s

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