regex update to listen for more flexible words

Author: NalinDalal

.github/workflows/auto-close-issues.yml

@@ -18,7 +18,7 @@ jobs:
         with:
           script: |
             const prBody = context.payload.pull_request.body;
-            const issueRegex = /(Fixes|Resolves|Closes)\s+#(\d+)/gi;
+            const issueRegex = /\b(close[sd]?|fix(e[sd])?|resolve[sd]?)[:\s]*#(\d+)\b/gi;
             let match;
             while ((match = issueRegex.exec(prBody)) !== null) {
               const issueNumber = parseInt(match[2], 10);