chore(deps): upgrade go version in dockerfile (#638)

- [x] fix warnings about case of `as` to `AS` in Dockerfile
  - `FromAsCasing: 'as' and 'FROM' keywords' casing do not match (line 1)`
- [x] shorten go version in go.mod
- [x] update Dockerfile Go version from 1.17 to 1.22 to match go.mod
- [x] upgrade alipine/git image version to latest, current was 4 years old
  - -from alpine/git:v2.24.3 (4 years old) to alpine/git:v2.45.2
- [x] fix warning with linting
  - `WARN [config_reader] The configuration option 'run.skip-files' is deprecated, please use 'issues.exclude-files'`
- [x] add .tool-versions (asdf) to .gitignore

Signed-off-by: jmeridth <jmeridth@gmail.com>