Bump github.com/spf13/cobra from 1.2.0 to 1.2.1

Bumps [github.com/spf13/cobra](https://github.com/spf13/cobra) from 1.2.0 to 1.2.1.
- [Release notes](https://github.com/spf13/cobra/releases)
- [Changelog](https://github.com/spf13/cobra/blob/master/CHANGELOG.md)
- [Commits](https://github.com/spf13/cobra/compare/v1.2.0...v1.2.1)

---
updated-dependencies:
- dependency-name: github.com/spf13/cobra
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

vendor/github.com/spf13/cobra/fish_completions.go

@@ -152,11 +152,11 @@ function __%[1]s_prepare_completions
             # We don't need descriptions anyway since there is only a single
             # real completion which the shell will expand immediately.
             set -l split (string split --max 1 \t $__%[1]s_comp_results[1])
-        
+
             # Fish won't add a space if the completion ends with any
             # of the following characters: @=/:.,
             set -l lastChar (string sub -s -1 -- $split)
-            if not string match -r -q "[@=/:.,]" -- "$lastChar"                
+            if not string match -r -q "[@=/:.,]" -- "$lastChar"
                 # In other cases, to support the "nospace" directive we trick the shell
                 # by outputting an extra, longer completion.
                 __%[1]s_debug "Adding second completion to perform nospace directive"