* Upstream beta channel update: 78.0.3904.21
* debian/patches/configuration-directory.patch: refreshed
* debian/patches/default-allocator: refreshed
* debian/patches/define__libc_malloc.patch: refreshed
* debian/patches/disable-sse2: refreshed
* debian/patches/enable-chromecast-by-default.patch: refreshed
* debian/patches/fix-extra-arflags.patch: refreshed
* debian/patches/search-credit.patch: refreshed
* debian/patches/set-rpath-on-chromium-executables.patch: refreshed
* debian/patches/suppress-newer-clang-warning-flags.patch: added
* debian/patches/title-bar-default-system.patch-v35: refreshed
* debian/patches/touch-v35: refreshed
* debian/patches/widevine-enable-version-string.patch: refreshed