Improve speed of TRCReader #968

Job	Run time
static-code-analysis	29s
Packaging	15s
format	16s
docs	41s
test (ubuntu-latest, false, 3.8)	2m 54s
test (ubuntu-latest, false, 3.9)	2m 47s
test (ubuntu-latest, false, 3.10)	2m 46s
test (ubuntu-latest, false, 3.11)	2m 44s
test (ubuntu-latest, false, 3.12)	3m 5s
test (ubuntu-latest, false, 3.13)	3m 41s
test (ubuntu-latest, false, pypy-3.9)	2m 52s
test (ubuntu-latest, false, pypy-3.10)	2m 54s
test (macos-latest, false, 3.8)	4m 12s
test (macos-latest, false, 3.9)	1m 36s
test (macos-latest, false, 3.10)	1m 33s
test (macos-latest, false, 3.11)	1m 38s
test (macos-latest, false, 3.12)	1m 47s
test (macos-latest, false, 3.13)	1m 56s
test (macos-latest, false, pypy-3.9)	3m 29s
test (macos-latest, false, pypy-3.10)	2m 54s
test (windows-latest, false, 3.8)	2m 20s
test (windows-latest, false, 3.9)	2m 10s
test (windows-latest, false, 3.10)	2m 15s
test (windows-latest, false, 3.11)	2m 17s
test (windows-latest, false, 3.12)	2m 56s
test (windows-latest, false, 3.13)	2m 59s
test (windows-latest, false, pypy-3.9)	6m 44s
test (windows-latest, false, pypy-3.10)	6m 38s
Release to PyPi	0s
coveralls	3s
	1h 12m 51s

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