tools: fix error in eslintrc comment

46d7cb8 introduced an error in a
comment in `.eslintrc.yaml`. The second option needs to be an integer
specifying the number of spaces per level of indentation.

PR-URL: #14108
Reviewed-By: Vse Mozhet Byt <vsemozhetbyt@gmail.com>
Reviewed-By: Michaël Zasso <targos@protonmail.com>
Reviewed-By: Colin Ihrig <cjihrig@gmail.com>
Reviewed-By: Refael Ackermann <refack@gmail.com>
Reviewed-By: Alexey Orlenko <eaglexrlnk@gmail.com>

.eslintrc.yaml

@@ -101,7 +101,7 @@ rules:
   func-call-spacing: error
   func-name-matching: error
   func-style: [error, declaration, {allowArrowFunctions: true}]
-  # indent: [error, error, {ArrayExpression: first,
+  # indent: [error, 2, {ArrayExpression: first,
   #                 CallExpression: {arguments: first},
   #                 FunctionDeclaration: {parameters: first},
   #                 FunctionExpression: {parameters: first},