feat: add utility function for safe pointer dereferencing

- Add `FromPtr` function to handle dereferencing pointers with nil checks
- Add tests for `FromPtr` function covering various types and nil pointers

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

feat: add Big5 to UTF-8 conversion utility and tests

- Add `io`, `strings`, `golang.org/x/text/encoding/traditionalchinese`, and `golang.org/x/text/transform` imports
- Add `ConvertBig5ToUTF8` function to convert Big5 encoded strings to UTF-8
- Add tests for `ConvertBig5ToUTF8` function with various input cases
- Update `go.mod` to require `golang.org/x/text` version `0.20.0`

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

ci(ci): update CI workflows and GoReleaser configuration

- Add checkout repository step using actions/checkout@v4 in go.yml
- Update actions/setup-go from v3 to v5 in go.yml
- Update golangci-lint-action from v3 to v6 in go.yml
- Update actions/checkout from v3 to v4 in go.yml
- Update actions/cache from v3 to v4 in go.yml
- Update codecov-action from v3 to v4 in go.yml
- Change single quotes to double quotes for tags in goreleaser.yml
- Update actions/checkout from v3 to v4 in goreleaser.yml
- Update actions/setup-go from v3 to v5 in goreleaser.yml
- Change GoReleaser action from v4 to v6 in goreleaser.yml
- Update GoReleaser args from --rm-dist to --clean in goreleaser.yml

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

feat(github): add output handling and error management for GitHub

- Introduce a new file for GitHub output handling
- Implement a function to set output values to a specified file
- Add error handling for cases where the output file is not set or cannot be opened
- Create a test file for the output function
- Write tests to verify behavior when the output file is not set, when it is set correctly, and when it fails to write

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

chore(string): convert strings and slices using the officially recomm…

…ended way (#11)

chore(CI): update lint version

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

fix: testing

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

chore: add trace

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

chore: move bool to struct{}{}

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

chore: rewrite in map performance.

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