lint: Bump up eslint/yamllint line length to 88

To agree with what we do via Black for Python

.yamllint

@@ -9,6 +9,7 @@ ignore: |
 rules:
   document-start: disable
   line-length:
+    max: 88
     ignore: |
       /.github/*.yml
       /.github/workflows/*.yml

qutebrowser/javascript/.eslintrc.yaml

@@ -41,7 +41,7 @@ rules:
     func-names: "off"
     sort-keys: "off"
     no-warning-comments: "off"
-    max-len: ["error", {"ignoreUrls": true}]
+    max-len: ["error", {"ignoreUrls": true, "code": 88}]
     capitalized-comments: "off"
     prefer-destructuring: "off"
     line-comment-position: "off"