crystal 1.5.0 to CI and update crystal version

.github/workflows/ci.yml

@@ -41,6 +41,7 @@ jobs:
           - 1.2.2
           - 1.3.2
           - 1.4.0
+          - 1.5.0
         include:
           - crystal: nightly
             stable: false

.github/workflows/container-release.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Install Crystal
         uses: crystal-lang/install-crystal@v1.6.0
         with:
-          crystal: 1.2.2
+          crystal: 1.5.0
 
       - name: Run lint
         run: |