v3.3.0

TikzPictures v3.3.0

Diff since v3.2.0

Closed issues:

• Customize environment for TikZ picture (#58)

Merged pull requests:

• Provide multiple lazy-loaded backends for SVGs (#57) (@mirkobunse)
• Added custom environments to support tikz-cd (#59) (@mehalter)
• decrement version number (#61) (@MaximeBouton)
• Trying to fix the tests at RegistryCI (#63) (@mirkobunse)