v0.7.0

FinancialToolbox v0.7.0

Diff since v0.6.0

Merged pull requests:

• Bump actions/cache from 3 to 4 (#23) (@dependabot[bot])
• Bump codecov/codecov-action from 3 to 4 (#24) (@dependabot[bot])
• Bump julia-actions/setup-julia from 1 to 2 (#25) (@dependabot[bot])

Closed issues:

• Add all second order greeks (#9)
• Implied Volatility: Switch to Let's be Rational (#15)
• Recover coverage: test frule for blimpv (#20)
• blsimpv() reaches max iterations when vega approaches 0, resulting in NaN implied volatility. (#21)