CompatHelper: add new compat entry for Chairmarks at version 1 for package docs, (keep existing compat) (#1357)

This pull request sets the compat entry for the `Chairmarks` package to
`1` for package docs.
This keeps the compat entries for earlier versions.



Note: I have not tested your package with this new compat entry.
It is your responsibility to make sure that your package tests pass
before you merge this pull request.
Note: Consider registering a new release of your package immediately
after merging this PR, as downstream packages may depend on this for
tests to pass.

Co-authored-by: CompatHelper Julia <compathelper_noreply@julialang.org>

Author: github-actions[bot]

docs/Project.toml

@@ -28,6 +28,7 @@ AbstractPPL = "0.14"
 Accessors = "0.1"
 BangBang = "0.4"
 Bijectors = "0.15.17"
+Chairmarks = "1"
 ChangesOfVariables = "0.1"
 DimensionalData = "0.30"
 Distributions = "0.25"