maint: fix macos pattern, add new tests and format

- darwin gh-r pattern now includes the `.dmg` extension
- `gh-r` tests for bit, gron, pulumi, atmos, keepassxc, alacrity, assh,
  and dog
- clean up duplicate code with formatting and moving duplicate logic to
  the default ice, if possible

See #243 #245 #247

Signed-off-by: Vladislav Doster <mvdoster@gmail.com>():

.zunit.yml

@@ -3,5 +3,5 @@ directories:
   tests: tests
   output: tests/_output
   support: tests/_support
-fail_fast: false
+fail_fast: true
 verbose: true