v1.31.7

Plots v1.31.7

Diff since v1.31.6

Closed issues:

• Unusual character printed when scientific notation used (#1991)
• [FR] Areaplot should have a step form - OR - create separate line segment property (#4290)
• [BUG] Recent breaking change in annotate! API (#4306)
• [BUG] Issue when xticklabels has exponents (#4308)

Merged pull requests:

• Added zenodo entry (#4303) (@curio-sitas)
• Fix annotate! API, add test coverage (#4307) (@BioTurboNick)
• pgfplotsx: fix tex labels already in mathmode form (#4310) (@t-bltg)