v2.11.0

CellMLToolkit v2.11.0

Diff since v2.10.0

Merged pull requests:

• various doc and style improvements (#106) (@ArnoStrouwen)
• enable dependabot for GitHub actions (#107) (@ranocha)
• Bump actions/checkout from 1 to 3 (#108) (@dependabot[bot])
• Bump codecov/codecov-action from 1 to 3 (#109) (@dependabot[bot])
• Bump actions/cache from 1 to 3 (#110) (@dependabot[bot])
• README updated (#111) (@shahriariravanian)
• README updated with using DifferentialEquations.jl instead of OrdinaryDiffEq.jl (#112) (@shahriariravanian)