fix: support semver in package manifest

[harry-xi]

It brings a break change to Pack class in API.

I kept the original class that called itself SemVersion because it is widely used by Allay.

[codecov]

Codecov Report

❌ Patch coverage is 0% with 35 lines in your changes missing coverage. Please review.

Files with missing lines	Patch %	Lines
...rc/main/java/org/allaymc/api/pack/PackVersion.java	0.00%	32 Missing ⚠️
...c/main/java/org/allaymc/api/pack/PackManifest.java	0.00%	2 Missing ⚠️
api/src/main/java/org/allaymc/api/pack/Pack.java	0.00%	1 Missing ⚠️

Files with missing lines	Coverage Δ	Complexity Δ
...rc/main/java/org/allaymc/api/utils/SemVersion.java	100.00% <ø> (ø)	12.00 <0.00> (ø)
api/src/main/java/org/allaymc/api/pack/Pack.java	13.95% <0.00%> (+1.18%)	1.00 <0.00> (ø)
...c/main/java/org/allaymc/api/pack/PackManifest.java	0.00% <0.00%> (ø)	0.00 <0.00> (ø)
...rc/main/java/org/allaymc/api/pack/PackVersion.java	0.00% <0.00%> (ø)	0.00 <0.00> (?)

... and 8 files with indirect coverage changes

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