chore(main): release 4.0.0 (#620)

Co-authored-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>

Author: github-actions[bot]

.release-please-manifest.json

@@ -1 +1 @@
-{".":"3.1.4"}
+{".":"4.0.0"}

CHANGELOG.md

@@ -1,5 +1,16 @@
 # Changelog
 
+## [4.0.0](https://github.com/streetsidesoftware/inject-markdown/compare/v3.1.4...v4.0.0) (2025-06-30)
+
+
+### ⚠ BREAKING CHANGES
+
+* Require node 20 and above ([#619](https://github.com/streetsidesoftware/inject-markdown/issues/619))
+
+### Features
+
+* Require node 20 and above ([#619](https://github.com/streetsidesoftware/inject-markdown/issues/619)) ([b3f7f5e](https://github.com/streetsidesoftware/inject-markdown/commit/b3f7f5e14eb4fe78a170600c149eda8eb6717808))
+
 ## [3.1.4](https://github.com/streetsidesoftware/inject-markdown/compare/v3.1.3...v3.1.4) (2024-11-09)
 
 

package.json

@@ -1,6 +1,6 @@
 {
   "name": "inject-markdown",
-  "version": "3.1.4",
+  "version": "4.0.0",
   "description": "Command line tool to inject files into markdown files.",
   "publishConfig": {
     "access": "public",