.github/workflows/issue-labeler: fix escaping

.github/workflows/issue-labeler/config.yml

@@ -1,20 +1,20 @@
 os:windows:
-- '- \[X\] Windows\n'
+- "- \[X\] Windows\n"
 os:macos:
-- '- \[X\] macOS\n'
+- "- \[X\] macOS\n"
 os:linux:
-- '- \[X\] Linux\n'
+- "- \[X\] Linux\n"
 os:freebsd:
-- '- \[X\] FreeBSD\n'
+- "- \[X\] FreeBSD\n"
 os:openbsd:
-- '- \[X\] OpenBSD\n'
+- "- \[X\] OpenBSD\n"
 os:android:
-- '- \[X\] Android\n'
+- "- \[X\] Android\n"
 os:ios:
-- '- \[X\] iOS\n'
+- "- \[X\] iOS\n"
 os:nintendoswitch:
-- '- \[X\] Nintendo Switch\n'
+- "- \[X\] Nintendo Switch\n"
 os:xbox:
-- '- \[X\] Xbox\n'
+- "- \[X\] Xbox\n"
 os:js:
-- '- \[X\] Web Browsers\n'
+- "- \[X\] Web Browsers\n"