test: Add missing suppression for race:std::__1::__pad_and_output #36774

From https://github.com/bitcoin/bitcoin/actions/runs/41684419453/job/126086262840?pr=35990#step:11:8669:

WARNING: ThreadSanitizer: data race (pid=17903)
  Write of size 8 at 0x7ff5c1990c20 by thread T12 (mutexes: write M0):
    [#0](/bitcoin-bitcoin/0/) width /llvm-project/libcxx/include/ios:498:18 (libc++.so.1+0xd3816) (BuildId: 6e001266114c9106207bb18363e2d5a09b534306)
    [#1](/bitcoin-bitcoin/1/) std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>> std::__1::__pad_and_output[abi:dee230102]<char, std::__1::char_traits<char>>(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>, char const*, char const*, char const*, std::__1::ios_base&, char) /llvm-project/libcxx/include/__locale_dir/pad_and_output.h:67:9 (libc++.so.1+0xd3816)
    [#2](/bitcoin-bitcoin/2/) std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>> std::__1::num_put<char, std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>>::__do_put_integral[abi:dee230102]<long long>(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>, std::__1::ios_base&, char, long long) const /llvm-project/libcxx/include/__locale_dir/num.h:907:10 (libc++.so.1+0xbcfa0) (BuildId: 6e001266114c9106207bb18363e2d5a09b534306)
    [#3](/bitcoin-bitcoin/3/) std::__1::num_put<char, std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>>::do_put(std::__1::ostreambuf_iterator<char, std::__1::char_traits<char>>, std::__1::ios_base&, char, long long) const /llvm-project/libcxx/include/__locale_dir/num.h:919:16 (libc++.so.1+0xbcb79) (BuildId: 6e001266114c9106207bb18363e2d5a09b534306)
    [#4](/bitcoin-bitcoin/4/) put /llvm-project/libcxx/include/__locale_dir/num.h:780:12 (libc++.so.1+0x9b40c) (BuildId: 6e001266114c9106207bb18363e2d5a09b534306)
    [#5](/bitcoin-bitcoin/5/) std::__1::basic_ostream<char, std::__1::char_traits<char>>& std::__1::basic_ostream<char, std::__1::char_traits<char>>::__put_num[abi:dee230102]<long long>(long long) /llvm-project/libcxx/include/__ostream/basic_ostream.h:104:21 (libc++.so.1+0x9b40c)
    [#6](/bitcoin-bitcoin/6/) std::__1::basic_ostream<char, std::__1::char_traits<char>>::operator<<(long long) /llvm-project/libcxx/include/__ostream/basic_ostream.h:316:10 (libc++.so.1+0x9b2a0) (BuildId: 6e001266114c9106207bb18363e2d5a09b534306)
    [#7](/bitcoin-bitcoin/7/) KernelLog::LogMessage(btck::LogEntry const&) /home/runner/work/_temp/src/bitcoin-chainstate.cpp:49:33 (bitcoin-chainstate+0xf2667) (BuildId: cff46198c8fd29997404a749cd55fdd6fcb3e865)

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External sites

• Code coverage & benchmarks: https://corecheck.dev/bitcoin/bitcoin/pulls/36774
• Ralph review <img src=https://review.fish.foo/assets/bitcoin/bitcoin/36774.png alt="Ralph review status"> https://git.fish.foo/bitcoin/bitcoin/pulls/36774#author-ralph

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utACK fa3821edc0b55639a6c194fddd15ab024abc3402

This has been merged. GitHub is being broken.