Added bruno completions (#10388)

* Added bruno completions

* Modified format completion to include formats as closed list arguments

share/completions/bru.fish

@@ -0,0 +1,15 @@
+
+complete -c bru -s h -l help -d "Show help"
+complete -c bru -l version -d "Show version number"
+
+complete -c bru -a run -d "Run a request"
+
+complete -c bru -s r --condition '__fish_seen_subcommand_from run' -d "Indicates a recursive run"
+complete -c bru -l cacert --condition '__fish_seen_subcommand_from run' -d "CA certificate to verify peer against"
+complete -c bru -l env --condition '__fish_seen_subcommand_from run' -d "Environment variables"
+complete -c bru -l env-var --condition '__fish_seen_subcommand_from run' -d "Overwrite a single environment variable, multiple usages possible"
+complete -c bru -s o -l output --condition '__fish_seen_subcommand_from run' -d "Path to write file results to"
+complete -c bru -s f -l format --condition '__fish_seen_subcommand_from run' -d "Format of the file results" -xa "json junit html"
+complete -c bru -l insecure --condition '__fish_seen_subcommand_from run' -d "Allow insecure connections"
+complete -c bru -l tests-only --condition '__fish_seen_subcommand_from run' -d "Only run requests that have a test"
+complete -c bru -l bail --condition '__fish_seen_subcommand_from run' -d "Stop execution after a failure of a request, test or assertion"