v0.5.8

What's Changed

• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #124
• Update GEM solar and wind datasets to May-2023. by @Tomkourou in #121
• add gem-latest by @pz-max in #126
• update sphinx documentation theme by @fneum in #127
• combine GEM data into one datafile (#131) by @FabianHofmann in #132
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #133
• Fix date aggregation by @FabianHofmann in #137
• [pre-commit.ci] pre-commit autoupdate by @pre-commit-ci in #135
• prepare release v0.5.8 by @FabianHofmann in #138

Full Changelog: v0.5.7...v0.5.8