chore(deps): update opensuse/leap docker tag to v16 (#43)

Author: snape

.github/workflows/ci.yml

@@ -182,7 +182,7 @@ jobs:
   bazel-opensuse:
     name: bazel opensuse leap amd64
     runs-on: ubuntu-latest
-    container: opensuse/leap:15
+    container: opensuse/leap:16.0
     steps:
       - name: setup
         run: |
@@ -500,7 +500,7 @@ jobs:
   cmake-opensuse:
     name: cmake opensuse leap amd64
     runs-on: ubuntu-latest
-    container: opensuse/leap:15
+    container: opensuse/leap:16.0
     steps:
       - name: setup
         run: |