v1.39.0

Plots v1.39.0

Diff since v1.38.17

Closed issues:

• [BUG] legendtitle is unused by plotly backend (#3045)
• [BUG] Missing last marker when using plotly and specifying marker_color (#4333)
• [BUG] invalid redefinition of constant UnitfulExt (#4792)
• Plots v1.38.17 precompiles at every run [BUG] (#4797)
• [FR] symmetric contour levels, the ability to ignore the actual values. (#4807)
• [FR] PGFPlotsX backend: respect valign argument for annotations (#4810)

Merged pull requests:

• Update URL of PlotlyJS.jl (#4808) (@blegat)
• Add plotly_traces utility (#4809) (@blegat)
• Adding annotations now respects vertical alignment (#4811) (@avonmoll)
• test upcoming julia 1.10 (#4812) (@t-bltg)
• place an upper bound fo PythonPlot (#4815) (@BeastyBlacksmith)