Upgrade linting image

Author: morgante

build/int.cloudbuild.yaml

@@ -38,4 +38,4 @@ tags:
 - 'integration'
 substitutions:
   _DOCKER_IMAGE_DEVELOPER_TOOLS: 'cft/developer-tools'
-  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '0.0.1'
+  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '0.1.0'

build/lint.cloudbuild.yaml

@@ -13,9 +13,12 @@
 # limitations under the License.
 
 steps:
-- name: 'gcr.io/cloud-foundation-cicd/cft/developer-tools:0.0.1'
+- name: 'gcr.io/cloud-foundation-cicd/cft/developer-tools:$_DOCKER_TAG_VERSION_DEVELOPER_TOOLS'
   id: 'lint'
   args: ['/usr/local/bin/test_lint.sh']
 tags:
 - 'ci'
 - 'lint'
+substitutions:
+  _DOCKER_IMAGE_DEVELOPER_TOOLS: 'cft/developer-tools'
+  _DOCKER_TAG_VERSION_DEVELOPER_TOOLS: '0.1.0'