Bump all open dependency updates together #111

Copilot, please update all the packages listed below to the listed target versions in a single PR with a single commit.

• Make no other changes beyond the version updates (and the lockfile changes they require, if any).
• Never downgrade: if the default branch already has a version equal to or newer than the target, leave that reference as is.
• Keep the build and tests green.
• In the PR description, mention that it supersedes the Dependabot PRs listed below (Bump PolySharp from 1.14.1 to 1.16.0 #100, Bump Scriban from 5.9.1 to 7.2.2 #105, Bump Scriban from 5.9.1 to 7.2.6 #106, Bump NuGetizer from 1.2.1 to 1.5.0 #107, Bump Microsoft.CodeAnalysis.CSharp from 4.2.0 to 5.9.0 #108, Bump the thisassembly group with 1 update #110).