Update actions (#59)

* Update dependabot.yml

* Delete .github/linters/.yaml-lint.yml

* Delete .github/linters/.markdown-lint.yml

* Update .eslintrc.yml

* Update linter.yml

* Revert "Update .eslintrc.yml"

This reverts commit 526ea392a0.

* add back npm

* update linter

.github/linters/.markdown-lint.yml

@@ -1,7 +0,0 @@
-# Unordered list style
-MD004:
-  style: dash
-
-# Ordered list item prefix
-MD029:
-  style: one

.github/linters/.yaml-lint.yml

@@ -1,10 +0,0 @@
-rules:
-  document-end: disable
-  document-start:
-    level: warning
-    present: false
-  line-length:
-    level: warning
-    max: 80
-    allow-non-breakable-words: true
-    allow-non-breakable-inline-mappings: true