Release 1.12.6

• Merge pull request #241 from cmu-delphi/main (aba8113)
• Merge pull request #240 from cmu-delphi/survey-prompt-time (6d2b1ab)
• Lengthen time to prompt survey (ef27075)
• Merge pull request #228 from cmu-delphi/blog/holiday-surveys (ecdb235)
• Regenerate blog (7646581)
• Add holiday blog post hero images (d903a5c)
• Merge branch 'dev' into blog/holiday-surveys (1044cd1)
• List vaccies post as related (aa71c95)
• Update date to today (365877b)
• Improve graphs and mention mask use comparison (1874ae2)
• Fix US region plot rendering (a1a6af2)
• Merge pull request #237 from cmu-delphi/unpack_cfr_fix (38148dc)
• Merge pull request #236 from cmu-delphi/survey-media-contact (36566bc)
• correction to table heading (4d70325)
• Change survey media contact (5fcf330)
• Merge pull request #235 from cmu-delphi/release (bb2ba99)
• Merge remote-tracking branch 'origin/dev' into blog/holiday-surveys (ff7924a)
• Merge remote-tracking branch 'origin/dev' into blog/holiday-surveys (1ca8cc0)
• Merge pull request #230 from cmu-delphi/sgratzl/gitpod2 (d6aec5b)
• Merge pull request #229 from cmu-delphi/sgratzl/holiday-fixes (d852b95)
• title case title (be33e4f)
• build: create an gitpod.io configuration (7d6a609)
• refactor: move files and add white bg (8546976)
• build: upload the blog files as artifacts (70f6313)
• refactor: use new link pattern for latest blogdown (e0d14af)
• fix: use relative shortcode links (4e31944)
• fix: add missing dependency (aa62bc6)
• feat: add new shortcodes fo rlinks (8e2ec77)
• Add missing authors to YAML (30b6bcb)
• Add authors to meta (13efbea)
• First draft of holiday post, for preview (1f9ea11)