Release 1.1.45

• build release 1.1.45 (c79bae2)
• fix dependabot (22d51d9)
• Merge pull request #100 from UofGAnalytics/assert-no-image-attributes (ce32b29)
• assert no image attributes (8efc750)
• fix test (e804b72)
• ensure all images (not just plots) get white background (1818fc3)
• Merge pull request #99 from UofGAnalytics/better-error-messages-when-finding-files (025a386)
• better error messages for finding files (f9cd311)
• Merge pull request #98 from UofGAnalytics/ensure-white-background-on-plots (bdd9518)
• ensure white background on all plots (704528d)
• Merge pull request #97 from UofGAnalytics/bugfix-cover (2f3fa48)
• Merge pull request #96 from UofGAnalytics/figure-anchor-links (9b4c2be)
• add missing class to hex logo (a31b45a)
• add automatic anchor links to figures (6f9ed2d)
• Merge pull request #95 from UofGAnalytics/cover-graphic (9a362e7)
• try ci (6c37c34)
• cover working on all platforms and with all themes 🎉 (61200b3)
• dynamically show active hexagon in cover svg (ddca7ef)
• add new fields and allowlist to course.yaml validation (1583198)
• move svg to compiler (c93e5a4)
• add new required fields to course.yaml (1718624)
• create course logos svg (b903c5c)
• test r versions in CI (8a9ffdb)