Lintian tag information: package-contains-sass-cache-directory (type: warning)

Description (from lintian-explain-tags)

This package appears to ship a .sass-cache/ directory, the result of
running a the "Sass" utility that compiles CSS from SASS or SCSS files.

These are not useful in the binary package or to end-users. In addition,
as they contain random/non-determinstic contents or filenames they can
affect the reproducibility of the package.

Please ensure they are removed prior to final package build. For example,
with:

override_dh_install:
dh_install -X.sass-cache

Please refer to https://reproducible-builds.org/ and Bug#920595 for
details.

Visibility: warning
Show-Always: no
Check: files/names

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