documentation: Added v1.4.0 release

Signed-off-by: Chaitanya Kulkarni <chaitanya.kulkarni@intel.com>

Author: chaitanya1731

.github/workflows/publish.yml

@@ -5,6 +5,7 @@ on:
       - main
       - release-v1.3.0
       - release-v1.3.1
+      - release-v1.4.0
 
 permissions:
   contents: read
@@ -58,6 +59,17 @@ jobs:
         rm -rf _work/venv
         make vhtml
         mv _build/html $HOME/output/v1.3.1
+    - uses: actions/checkout@v4
+      with:
+        fetch-depth: 0
+        ref: release-v1.4.0
+    - name: Build release-v1.4.0
+      run: |
+        export GITHUB_SHA=$(git rev-parse HEAD)
+        export GITHUB_SHA_REF=$(git rev-parse --abbrev-ref HEAD)
+        rm -rf _work/venv
+        make vhtml
+        mv _build/html $HOME/output/v1.4.0
     - name: Deploy the docs
       shell: bash
       env: