SKALE-2202 fix yml

.github/workflows/dockerimagesim.yml

@@ -13,7 +13,7 @@ jobs:
     - uses: actions/checkout@v1
     - name: submodule update
       run: git submodule update --init --recursive
-    - name: init enviroment variables:
+    - name: init enviroment variables
       run: |
         export BRANCH=${GITHUB_REF##*/}
         echo "Branch $BRANCH"