rename `Reader` types to `ByteSource` (e.g. `IoReader` to `IoByteSource`) #241

Job	Run time
Build Examples	14s
Check	5s
ESP Examples (esp32c3-power-meter-mock, build, --release)	35s
Check subtrees are up to date	3s
ESP Examples (esp32c3-power-meter-mock, build, --release --all-features)	37s
Lints	16s
ESP Examples (esp32c3-power-meter-mock, fmt, --all -- --check --color always)	16s
ESP Examples (esp32c3-power-meter-mock, clippy, --all-features --workspace -- -D warnings)	35s
Semver Checks	32s
Test Suite	49s
ESP Examples (esp32c3-sml-reader, build, --release)	43s
ESP Examples (esp32c3-sml-reader, build, --release --all-features)	46s
ESP Examples (esp32c3-sml-reader, fmt, --all -- --check --color always)	16s
ESP Examples (esp32c3-sml-reader, clippy, --all-features --workspace -- -D warnings)	44s
ESP Examples (esp32c3-sml-reader-async, build, --release)	38s
ESP Examples (esp32c3-sml-reader-async, build, --release --all-features)	40s
ESP Examples (esp32c3-sml-reader-async, fmt, --all -- --check --color always)	15s
ESP Examples (esp32c3-sml-reader-async, clippy, --all-features --workspace -- -D warnings)	40s
	8m 44s

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