add suppressions for clang-tidy-10 on ubuntu:

-hicpp-avoid-goto: duplicate of -cppcoreguidelines-avoid-goto
-readability-magic-numbers: duplicate of -cppcoreguidelines-avoid-magic-numbers
-readability-identifier-naming: avoid complaints about variables like i, n

.clang-tidy

@@ -10,8 +10,10 @@ Checks:        "*,\
 -google-readability-todo,\
 -google-runtime-int,\
 -cppcoreguidelines-avoid-goto,\
+-hicpp-avoid-goto, \
 -cppcoreguidelines-pro-type-member-init,\
 -cppcoreguidelines-pro-type-static-cast-downcast,\
+-readability-identifier-naming,\
 # not applicable,\
 -fuchsia-default-arguments-calls,\
 -fuchsia-overloaded-operator,\
@@ -45,6 +47,7 @@ Checks:        "*,\
 -google-readability-braces-around-statements,\
 -cppcoreguidelines-pro-type-cstyle-cast,\
 -cppcoreguidelines-avoid-magic-numbers,\
+-readability-magic-numbers,\
 -hicpp-braces-around-statements,\
 -hicpp-use-equals-default,\
 -hicpp-deprecated-headers,\