New Feature: Add an Issue in-develop labeler and functions to close these issues (#990)

* Working on labeler

* Add in_develop_labeler

* Build bot can close issues based on labels

* Test mode for build

* Fixed errors in labeler_bot

* Update build-bot

* Update .github/scripts/icomoon_build.py

Co-authored-by: David Leal <halfpacho@gmail.com>

* Remove test url

Co-authored-by: David Leal <halfpacho@gmail.com>
Co-authored-by: Clemens Bastian <8781699+amacado@users.noreply.github.com>

.github/scripts/in_develop_labeler.py

@@ -0,0 +1,20 @@
+import re
+from build_assets import arg_getters, api_handler
+
+def main():
+	args = arg_getters.get_in_develop_labeler_args()
+	try:
+		# find the issue closing line
+		issue_line = [line for line in args.body.split("\n") if line.startswith("**This PR closes")][0]
+
+		print("Issue Line is " + issue_line)
+		issue_pattern = re.compile(r"\d+")
+		issues_numbers = issue_pattern.findall(issue_line)
+		print("Labelling issues: " + str(issues_numbers))
+		api_handler.label_issues(args.token, issues_numbers, ["in-develop"])
+	except IndexError:  # if can't find the issue line
+		print("The PR body doesn't contain `**This PR closes` keywords. Ending workflow.")
+		return
+
+if __name__ == "__main__":
+	main()