chore: upgrade mermaid.js from v10.7.0 to v10.9.1

[mcmoe]

Built from source using pnpm install

• on mermaid branch release/10.9.1 commit 8d815f878ce7ba3bc820eb62e36b8a96d1debdbc.

Note: I set const souremap = true in .vite/.build.ts in order to generate the sourcemap file.

Fixes #45 and #49