Bump debhelper from deprecated 9 to 10

Bump debhelper from deprecated 9 to 10. (package-uses-deprecated-debhelper-compat-version)

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Build and test logs for this branch can be found at https://janitor.debian.net/lintian-fixes/pkg/whitedune/1fe6f50e-9eef-480d-bd2f-c1ca2428b3d6.

Debdiff

These changes affect the binary packages:

[The following lists of changes regard files as different if they have different names, permissions or owners.]

Files in second set of .debs but not in first

-rw-r--r--  root/root   /usr/lib/debug/.build-id/4c/31555d09ce7d8eb2336035869ee1bf6b413147.debug

Files in first set of .debs but not in second

-rw-r--r--  root/root   /usr/lib/debug/.build-id/6d/89c5112b0241389781cd44a7c79c522e73636e.debug

No differences were encountered between the control files of package **whitedune**

Control files of package whitedune-dbgsym: lines which differ (wdiff format)

• Build-Ids: 6d89c5112b0241389781cd44a7c79c522e73636e 4c31555d09ce7d8eb2336035869ee1bf6b413147

No differences were encountered between the control files of package **whitedune-docs**

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