github: add 2 testing combinations back to the matrix #98

Job	Run time
Test with DPDK enabled (, C++, ) / test	28m 1s
Test (clang++-18, C++20, dev) / test	21m 41s
Test (clang++-18, C++20, debug) / test	20m 21s
Test with C++20 modules enabled (, C++, ) / test	6m 53s
Test (clang++-18, C++20, release) / test	20m 27s
Test (clang++-18, C++23, release) / test	21m 42s
Test (clang++-18, C++23, dev) / test	22m 15s
Test (clang++-18, C++23, debug) / test	5m 43s
Test (gcc-13, C++20, debug) / test	10m 48s
Test (gcc-13, C++20, dev) / test	11m 11s
Test (gcc-13, C++20, release) / test	11m 38s
Test (gcc-13, C++23, dev) / test	7m 54s
Test (gcc-13, C++23, debug) / test	11m 16s
Test (gcc-13, C++23, release) / test	9m 30s
	3h 29m 20s

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