[pre-commit.ci] auto fixes from pre-commit.com hooks

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Author: pre-commit-ci[bot]

content/3_Silver/Conclusion.problems.json

@@ -209,12 +209,7 @@
       "source": "CF",
       "difficulty": "Normal",
       "isStarred": false,
-      "tags": [
-        "Number theory",
-        "Graphs",
-        "BFS",
-        "shortest path"
-      ],
+      "tags": ["Number theory", "Graphs", "BFS", "shortest path"],
       "solutionMetadata": {
         "kind": "autogen-label-from-site",
         "site": "CF"