Fix YAML syntax

Author: airadier

action.yml

@@ -48,13 +48,13 @@ inputs:
     default: any
     required: false
   package-types:
-    description: Comma-separated list of package types to include in the SARIF/summary report. Example: "java,javascript"
+    description: "Comma-separated list of package types to include in the SARIF/summary report. Example: \"java,javascript\""
     required: false
   not-package-types:
-    description: Comma-separated list of package types to exclude from the SARIF/summary report. Example: "os,alpine"
+    description: "Comma-separated list of package types to exclude from the SARIF/summary report. Example: \"os,alpine\""
     required: false
   exclude-accepted:
-    description: Exclude vulnerabilities that have accepted risks from SARIF/summary report. true/false
+    description: "Exclude vulnerabilities that have accepted risks from SARIF/summary report. true/false"
     default: "false"
     required: false
   group-by-package: