feat: push changelog to docs (#414)

# Description

Auto push changelog to internal  doc site repo 


> Please include a summary of the change and which issue is fixed.
List any external dependencies that are required for this change.

- [ ] PR title and description are to the point and understandable
- [ ] I have performed a self-review of my own code'

Please select version type the purposed change:
- [ ] major
- [ ] minor
- [ ] patch
- [x] none <!--- Creates an empty changeset --> 

External Relations
- [ ] database migration


## Changeset

<!--- Write your changeset here -->

---------

Co-authored-by: Noggling <[email protected]>

.changeset/pr-414-1564307833.md

@@ -0,0 +1,3 @@
+
+---
+---

.github/workflows/push-changelog.yml

@@ -0,0 +1,30 @@
+name: Push Changelog
+
+on:
+  push:
+    branches:
+      - main
+
+jobs:
+  update-changelog:
+    name: Update changelog in docs
+    runs-on: ubuntu-latest
+    env:
+      commit-author: bot
+      author-email: [email protected]
+      commit-message: "docs: update changlog"
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Pushes Changelog File
+        uses: dmnemec/[email protected]
+        env:
+          API_TOKEN_GITHUB: ${{ secrets.API_TOKEN_GITHUB }}
+        with:
+          source_file: "CHANGELOG.md"
+          destination_repo: "equinor/fusion-project-portal-internal"
+          destination_folder: "/docs/documentation/"
+          user_email: ${{ env.author-email}}
+          user_name: ${{ env.commit-author}}
+          commit_message: ${{ env.commit-message}}