fix(autoupdate): Fix file hash extraction

[niheaven]

Description

Fix file hash extraction:

• From ([a-fA-F0-9]{32,128})[\x20\t]+.*$basename(?:[\x20\t]+\d+)?
• To ([a-fA-F0-9]{32,128})[\x20\t]+.*$basename(?:\s|$)|$basename[\x20\t]+.*?([a-fA-F0-9]{32,128})

And format the file.

Motivation and Context

If checksum file has multiple hashes and filenames, the original regex may be failed 'cos there're many filenames that have same prefix, e.g., aaa.exe and aaa.exe.bbb. In such case, old one may not get the correct hash.

By ending with \s|$, the regex will use $basename only to find hash.

Also support hash format as aaa.exe <hash>.

How Has This Been Tested?

goreleaser

```json { "version": "1.13.1", "description": "Release automation tool for Go projects.", "homepage": "https://goreleaser.com", "license": "MIT", "architecture": { "64bit": { "url": "https://github.com/goreleaser/goreleaser/releases/download/v1.13.1/goreleaser_Windows_x86_64.zip", "hash": "c3880be7597a5f9478cb8bf2ba291b8b1ff749191f373de886cbc4583c5a8c51" }, "32bit": { "url": "https://github.com/goreleaser/goreleaser/releases/download/v1.13.1/goreleaser_Windows_i386.zip", "hash": "f54271982cde3f8e8852e35527bb5d5bdd0c6e2f9cbdbaabd091d3f87a768fc8" } }, "bin": "goreleaser.exe", "checkver": { "github": "https://github.com/goreleaser/goreleaser/" }, "autoupdate": { "architecture": { "64bit": { "url": "https://github.com/goreleaser/goreleaser/releases/download/v$version/goreleaser_Windows_x86_64.zip" }, "32bit": { "url": "https://github.com/goreleaser/goreleaser/releases/download/v$version/goreleaser_Windows_i386.zip" } }, "hash": { "url": "$baseurl/checksums.txt" } } } ```

Checklist:

• I have read the Contributing Guide.
• I have ensured that I am targeting the develop branch.
• I have updated the documentation accordingly.
• I have updated the tests accordingly.
• I have added an entry in the CHANGELOG.