use centos7 for molecule

.drone.jsonnet

@@ -19,7 +19,7 @@ local PipelineLinting = {
   },
 };
 
-local PipelineDeployment(scenario='centos8') = {
+local PipelineDeployment(scenario='centos7') = {
   kind: 'pipeline',
   name: 'testing-' + scenario,
   platform: {
@@ -110,7 +110,7 @@ local PipelineDocumentation = {
     ref: ['refs/heads/master', 'refs/tags/**', 'refs/pull/**'],
   },
   depends_on: [
-    'testing-centos8',
+    'testing-centos7',
   ],
 };
 
@@ -148,7 +148,7 @@ local PipelineNotification = {
 
 [
   PipelineLinting,
-  PipelineDeployment(scenario='centos8'),
+  PipelineDeployment(scenario='centos7'),
   PipelineDocumentation,
   PipelineNotification,
 ]

.drone.yml

@@ -20,7 +20,7 @@ trigger:
 
 ---
 kind: pipeline
-name: testing-centos8
+name: testing-centos7
 
 platform:
   os: linux
@@ -37,7 +37,7 @@ steps:
 - name: ansible-molecule
   image: xoxys/molecule:3
   commands:
-  - molecule test -scentos8
+  - molecule test -scentos7
   environment:
     DO_API_KEY:
       from_secret: do_api_key
@@ -106,7 +106,7 @@ trigger:
   - refs/pull/**
 
 depends_on:
-- testing-centos8
+- testing-centos7
 
 ---
 kind: pipeline
@@ -146,6 +146,6 @@ depends_on:
 
 ---
 kind: signature
-hmac: f565ac4819e3b86185ee25d5dbde6d0844d282330ab45abe385ecdb83fedcc16
+hmac: be498a1070954ff9b7a10dc6f285a95aa7ebc0b30d4f2ad2c178bd6ac9eab918
 
 ...