Prepare Release v21.0.4 using 'release-plan' (#2884)

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

Author: github-actions[bot]

.release-plan.json

@@ -2,8 +2,8 @@
   "solution": {
     "angular-shepherd": {
       "impact": "patch",
-      "oldVersion": "21.0.2",
-      "newVersion": "21.0.3",
+      "oldVersion": "21.0.3",
+      "newVersion": "21.0.4",
       "tagName": "latest",
       "constraints": [
         {
@@ -14,5 +14,5 @@
       "pkgJSONPath": "./projects/shepherd/package.json"
     }
   },
-  "description": "## Release (2026-01-14)\n\n* angular-shepherd 21.0.3 (patch)\n\n#### :house: Internal\n* `angular-shepherd`\n  * [#2882](https://github.com/shipshapecode/angular-shepherd/pull/2882) Update github link ([@RobbieTheWagner](https://github.com/RobbieTheWagner))\n* Other\n  * [#2880](https://github.com/shipshapecode/angular-shepherd/pull/2880) Remove release-it ([@RobbieTheWagner](https://github.com/RobbieTheWagner))\n\n#### Committers: 1\n- Robbie Wagner ([@RobbieTheWagner](https://github.com/RobbieTheWagner))\n"
+  "description": "## Release (2026-01-14)\n\n* angular-shepherd 21.0.4 (patch)\n\n#### :house: Internal\n* `angular-shepherd`\n  * [#2883](https://github.com/shipshapecode/angular-shepherd/pull/2883) Ensure latest npm for publish ([@RobbieTheWagner](https://github.com/RobbieTheWagner))\n\n#### Committers: 1\n- Robbie Wagner ([@RobbieTheWagner](https://github.com/RobbieTheWagner))\n"
 }

CHANGELOG.md

@@ -2,6 +2,17 @@
 
 ## Release (2026-01-14)
 
+* angular-shepherd 21.0.4 (patch)
+
+#### :house: Internal
+* `angular-shepherd`
+  * [#2883](https://github.com/shipshapecode/angular-shepherd/pull/2883) Ensure latest npm for publish ([@RobbieTheWagner](https://github.com/RobbieTheWagner))
+
+#### Committers: 1
+- Robbie Wagner ([@RobbieTheWagner](https://github.com/RobbieTheWagner))
+
+## Release (2026-01-14)
+
 * angular-shepherd 21.0.3 (patch)
 
 #### :house: Internal

projects/shepherd/package.json

@@ -1,6 +1,6 @@
 {
   "name": "angular-shepherd",
-  "version": "21.0.3",
+  "version": "21.0.4",
   "description": "An Angular wrapper for the site tour library Shepherd.",
   "keywords": [
     "angular",