Release notes

Bump to powsybl-core 5.3.2 (#804)

Fixes

Clean indexed terms when removing an equation (#808)
Fix already converged case in fast restart mode (#802)
Fix switch update in fast mode (#803)
Fix updated Q limits in reactiveLimitsOuterLoop (#813)
Fix generators update after forcing a bus to remain PV (#814)
Fix calculated bus load targetQ when distributed slack on loads with constant power factor (#815)
Fix contingency on phase shifter controlled branch causing exception (#817)
Fix phase shifter flow control on non impedant branch causing exception (#816)