fix(misc): mark migration for escaping env vars as skipped in nx repair (#22916)

(cherry picked from commit 82be2ae)

Author: AgentEnder

packages/nx/migrations.json

@@ -58,7 +58,8 @@
       "cli": "nx",
       "version": "16.8.0-beta.3",
       "description": "Escape $ in env variables",
-      "implementation": "./src/migrations/update-16-8-0/escape-dollar-sign-env-variables"
+      "implementation": "./src/migrations/update-16-8-0/escape-dollar-sign-env-variables",
+      "x-repair-skip": true
     },
     "17.0.0-move-cache-directory": {
       "cli": "nx",