fix: avoid printing unnecessary blank newlines

Closes #391

chore(rom/deb): Fix wrong install directory for rpm/deb

test(cmd/glab/main): test path where debug is active

Since glab is built into a 'bin' directory it just ends up installing
into '/usr/local/bin/bin' ...

refactor and add tests to `mr list`

test(commands/issue/list): add tests

refactor(commands/completion): always default to bash

Iostreams testing

style(commands/issue/list): refactor `issue list`

Refactor `commands/issue/list/issue_list.go`.
This is done to make it much cleaner and also enha...

test(internal/utils/iostreams): add tests

test(internal/utils/display): implement tests for the basic functions

respect GITLAB_HOST when resolving remotes

fix(commands/cmdutils/factory): use hostname from ssh config

Resolves #354

test(internal/glinstance/host): test HostnameValidator()

When GITLAB_HOST or GITLAB_URI has been set, we resolve only local remotes that match the set ho...

feat(internal/git): Add support for ssh_config Include directives

Resolves #496

test(internal/git/url): test bad URLs for ParseURL()

test(internal/glrepo/remote): add tests for FindByRepo()

No color

chore(ci): fix go.yml workflow file

chore(ci): ensure test runs on PRs

test(internal/glrepo/resolver): add more tests

From the spec:

```
All command-line software which outputs text with ANSI color added should ch...

Resolver testing

This code is always false because of the following code that comes a bit
before.

```golang
if r...

this allows testing error paths in code:

Pass an `error` type as the Value, it will be reflect-...

assert.Error just checks if there is output, we want to check the output
against what we expect

chore(ci/test): switch test job from GitLab CI to GitHub action

Currently, GitLab CI does not run on forks per the discussion here https://gitlab.com/gitlab-org...

test(internal/glrepo/resolver): fix usage of assert()

test(internal/glrepo/remote): test remoteNameSortingScore()

while it was not exactly wrong the function expects the expected output
to come before the actua...

Add more tests, use `pkg/prompt` for prompts

refactor(internal/glrepo/resolver): remove unreachable code

so it can be more easily overridden for testing.

Nothing anywhere uses it

because of the loop condition:

```golang
for i := 0; i < len(result.remotes) && i < maxRemotesF...

Add testing for MilestonePrompt()

- No longer return anything as the function before returned error but it
only ever returned `nil...