fix: use "1.20" for go-version #11

	name: Release Check

	on:
	pull_request:
	branches:
	- main

	jobs:
	build:
	runs-on: ubuntu-latest
	steps:
	- uses: actions/checkout@v3

	- name: Check Source Branch
	run: python2 -c "exit(0 if '${{ github.head_ref }}'.startswith('release') or '${{ github.head_ref }}'.startswith('hotfix') else 1)"

	- name: Check Version
	run: \|
Check failure on line 18 in .github/workflows/release-check.yml View workflow run for this annotation GitHub Actions / Release Check Invalid workflow file `The workflow is not valid. .github/workflows/release-check.yml (Line: 18, Col: 14): Unrecognized named-value: 'Head'. Located at position 1 within expression: Head.SHA`
	# get version code, runner not support grep -E here
	SOURCE_VERSION=`grep 'Version\s=\s\"v[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\"' *.go \| awk -F '\"' '{print $(NF-1)}'`
	git checkout main
	MASTER_VERSION=`grep 'Version\s=\s\"v[0-9]\{1,\}\.[0-9]\{1,\}\.[0-9]\{1,\}\"' *.go \| awk -F '\"' '{print $(NF-1)}'`
	git checkout ${{Head.SHA}}
	# check version update
	python2 -c "exit(0 if list(map(int,'${SOURCE_VERSION#v}'.split('.')[:3])) > list(map(int,'${MASTER_VERSION#v}'.split('.')[:3])) else 1)"

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