build(deps): bump step-security/harden-runner from 2.7.1 to 2.8.0 #68

Job	Run time
runner / golangci-lint	33s
runner / formatting	17s
runner / yamllint	13s
runner / dotenv-linter	5s
runner / build and tests (1.20.x, windows-2019)	1m 16s
runner / build and tests (1.20.x, windows-2022)	1m 1s
runner / build and tests (1.20.x, ubuntu-22.04)	59s
runner / build and tests (1.20.x, ubuntu-20.04)	1m 2s
runner / build and tests (1.21.x, windows-2019)	1m 20s
runner / build and tests (1.21.x, windows-2022)	1m 19s
runner / build and tests (1.21.x, ubuntu-22.04)	1m 12s
runner / build and tests (1.21.x, ubuntu-20.04)	1m 11s
runner / build and tests (1.22.x, windows-2019)	1m 14s
runner / build and tests (1.22.x, windows-2022)	1m 5s
runner / build and tests (1.22.x, ubuntu-22.04)	1m 12s
runner / build and tests (1.22.x, ubuntu-20.04)	1m 11s
	15m 10s

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