Fix typo in description of legacy codelens description (#3086)

Author: nexxai

package.json

@@ -914,7 +914,7 @@
         "powershell.pester.useLegacyCodeLens": {
           "type": "boolean",
           "default": true,
-          "description": "Use code lense that is compatible with Pester 4. Disabling this will show 'Run Tests' on all It, Describe and Context blocks, and will correctly work only with Pester 5 and newer."
+          "description": "Use code lens that is compatible with Pester 4. Disabling this will show 'Run Tests' on all It, Describe and Context blocks, and will correctly work only with Pester 5 and newer."
         },
         "powershell.pester.outputVerbosity": {
           "type": "string",