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build: optimize Dockerfile and update dependencies (#162)

- Update base images to golang:1.20-alpine3.17 and alpine:3.17
- Replace `--update-cache` with `--no-cache` in apk add command
- Specify exact versions for make, git, and bash packages

Signed-off-by: appleboy <appleboy.tw@gmail.com>

Reviewed-on: https://gitea.com/gitea/act_runner/pulls/162
Reviewed-by: Lunny Xiao <xiaolunwen@gmail.com>
Co-authored-by: appleboy <appleboy.tw@gmail.com>
Co-committed-by: appleboy <appleboy.tw@gmail.com>
This commit was merged in pull request #162.
This commit is contained in:
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Gitea Version: 1.28.0+dev-528-ga5a645824f