Inspect Elixir exception module name in `record_exception` #2021

Job	Run time
Test API on Elixir 1.15.7 (OTP 24.3.4.14) and ubuntu-20.04	18s
Dialyze on Elixir 1.15.7 (OTP 26.1.2) and ubuntu-20.04	14s
format	16s
Test SemConv on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }}) and ${{ matrix.os }}	0s
Test SDK on Elixir 1.15.7 (OTP 24.3.4.14) and ubuntu-20.04	32s
	1m 20s

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