chore(README): Adjust version in README #30

Job	Run time
Test / Unit Tests (stable)	37s
Test / Build Test (stable)	11s
Test / Unit Tests (beta)	1m 35s
Test / Clippy (stable)	46s
Test / Build Test (beta)	38s
Test / Format (stable)	8s
Test / Unit Tests (nightly)	56s
Test / Build Test (nightly)	55s
Test / Clippy (beta)	51s
Test / Format (beta)	15s
Test / Unit Tests (1.68.0)	2m 14s
Test / Build Test (1.68.0)	1m 4s
Test / Clippy (nightly)	23s
Test / Format (nightly)	15s
Test / Clippy (1.68.0)	1m 10s
Test / Format (1.68.0)	20s
Coverage Report / Coverage Report	1m 16s
Upload Docs to GitHub Pages	48s
	14m 22s

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