Set the tidy-html5 OSS-Fuzz contact info to @balthisar

[stefanbucur]

As per htacg/tidy-html5#788 (comment)

[DavidKorczynski]

CI fails:

[54/56] Building C object CMakeFiles/tidy-static.dir/src/tidylib.c.o
[55/56] Linking C static library libtidy.a
[55/56] Linking C static library libtidy.a
[55/56] Building C object CMakeFiles/tidy.dir/console/tidy.c.o
[56/56] Linking C executable tidy
[56/56] Linking C executable tidy
+ for fuzzer in tidy_config_fuzzer tidy_fuzzer
+ clang -O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link -c -I/src/tidy-html5/include /src/tidy_config_fuzzer.c -o tidy_config_fuzzer.o
+ clang++ -O1 -fno-omit-frame-pointer -gline-tables-only -DFUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION -fsanitize=address -fsanitize-address-use-after-scope -fsanitize=fuzzer-no-link -stdlib=libc++ -std=c++11 tidy_config_fuzzer.o -o /out/tidy_config_fuzzer -fsanitize=fuzzer libtidys.a
clang-12: error: no such file or directory: 'libtidys.a'

Looks like it should be libtidy.a rather than libtidys.a during linking?

[balthisar]

On non-Windows systems we properly name the static library libtidy.a now, instead of libtidy.s; this is a recent change.

[jonathanmetzman]

LGTM.

I don't think we need to block this PR on the CI breakage. It's unrelated.