Minor tweak to table layout #255

Job	Run time
testing-windows (clang)	3m 18s
testing-sdcc (ds390)	9s
testing (ubuntu-latest, clang)	54s
testing-windows (clang, -u)	3m 10s
testing-sdcc (ds400)	9s
testing (ubuntu-latest, clang, -u)	21s
testing-windows (gcc)	3m 5s
testing-sdcc (ez80_z80)	12s
testing (ubuntu-latest, gcc)	19s
testing-windows (gcc, -u)	3m 5s
testing (ubuntu-latest, gcc, -u)	23s
testing-sdcc (hc08)	9s
testing-windows (x86_64-w64-mingw32-gcc)	2m 43s
testing-sdcc (mcs51)	16s
testing (ubuntu-latest, tcc)	28s
testing-windows (x86_64-w64-mingw32-gcc, -u)	2m 10s
testing-sdcc (mos6502)	11s
testing (ubuntu-latest, tcc, -u)	28s
testing-sdcc (mos65c02)	10s
testing (macos-latest, clang)	1m 2s
testing-sdcc (pdk13)	9s
testing (macos-latest, clang, -u)	1m 5s
testing-sdcc (pdk14)	12s
testing (macos-latest, gcc)	1m 0s
testing-sdcc (pdk15)	14s
testing (macos-latest, gcc, -u)	1m 10s
testing-sdcc (r2k)	12s
testing-sdcc (r2ka)	13s
testing-sdcc (r3ka)	13s
testing-sdcc (r800)	11s
testing-sdcc (s08)	10s
testing-sdcc (sm83)	12s
testing-sdcc (stm8)	19s
testing-sdcc (tlcs90)	13s
testing-sdcc (z180)	11s
testing-sdcc (z80)	11s
testing-sdcc (z80n)	11s
	28m 48s

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