chore(ci): add step helm setup (#944)

Fix PR #940, ubuntu 22 has the same helm version, 3.17.3 as ubuntu 24
Pin helm version to 3.17.2

---------

Signed-off-by: Nikita Korolev <nikita.korolev@flant.com>

Author: universal-itengineer

.github/workflows/dev_validation.yaml

@@ -137,6 +137,11 @@ jobs:
         with:
           version: 3.37.2
 
+      - uses: azure/setup-helm@v4.3.0
+        with:
+          version: v3.17.2
+        id: install
+
       - uses: actions/checkout@v4
 
       - name: Run validation "Helm templates"