Use changelog file when creating GitHub releases

[prymitive]

No description provided.

[github-actions]

This pull request was validated by pint.

✔️ No problems found

Stats

Stat	Value
Version	v0.56.1-3-g285e020
Number of rules parsed	4
Number of rules checked	0
Number of problems found	0
Number of offline checks	0
Number of online checks	0
Checks duration	0

Problems

No problems reported

[github-actions]

Benchmark diff:

goos: linux
goarch: amd64
pkg: github.com/cloudflare/pint/cmd/pint
cpu: AMD EPYC 7763 64-Core Processor                
              │   old.txt   │              new.txt               │
              │   sec/op    │   sec/op     vs base               │
FindEntries-4   86.76m ± 2%   88.30m ± 2%       ~ (p=0.052 n=10)
CheckRules-4    87.92m ± 0%   88.76m ± 1%  +0.97% (p=0.002 n=10)
geomean         87.34m        88.53m       +1.37%

              │   old.txt    │               new.txt               │
              │     B/op     │     B/op      vs base               │
FindEntries-4   54.00Mi ± 0%   54.00Mi ± 0%  +0.01% (p=0.015 n=10)
CheckRules-4    84.06Mi ± 0%   84.06Mi ± 0%       ~ (p=0.684 n=10)
geomean         67.37Mi        67.38Mi       +0.00%

              │   old.txt   │              new.txt               │
              │  allocs/op  │  allocs/op   vs base               │
FindEntries-4   434.0k ± 0%   434.0k ± 0%  +0.00% (p=0.027 n=10)
CheckRules-4    879.1k ± 0%   879.1k ± 0%       ~ (p=0.671 n=10)
geomean         617.7k        617.7k       +0.00%