[R-pkg-team] r-cran-bayesplot is marked for autoremoval from testing

[Debian testing autoremoval watch]

r-cran-bayesplot 1.7.1-2 is marked for autoremoval from testing on 2020-05-06

It (build-)depends on packages with these RC bugs:
954813: r-cran-rlang, src:r-cran-ggplot2: r-cran-rlang breaks r-cran-ggplot2 autopkgtest: `out` not identical to `exp`