Pass repo as registry+repo as temporary workaround for drone ECR publish issues. (#4541)

Signed-off-by: Callum Styan <callumstyan@gmail.com>

.drone/drone.jsonnet

@@ -80,7 +80,7 @@ local lambda_promtail_ecr(app) = {
   image: 'cstyan/ecr',
   privileged: true,
   settings: {
-    repo: 'lambda-promtail',
+    repo: 'public.ecr.aws/grafana/lambda-promtail',
     registry: 'public.ecr.aws/grafana',
     dockerfile: 'tools/%s/Dockerfile' % app,
     access_key: { from_secret: ecr_key.name },

.drone/drone.yml

@@ -908,7 +908,7 @@ steps:
     dry_run: true
     region: us-east-1
     registry: public.ecr.aws/grafana
-    repo: lambda-promtail
+    repo: public.ecr.aws/grafana/lambda-promtail
     secret_key:
       from_secret: ecr_secret_key
   when:
@@ -931,7 +931,7 @@ steps:
     dry_run: false
     region: us-east-1
     registry: public.ecr.aws/grafana
-    repo: lambda-promtail
+    repo: public.ecr.aws/grafana/lambda-promtail
     secret_key:
       from_secret: ecr_secret_key
   when:
@@ -984,6 +984,6 @@ kind: secret
 name: deploy_config
 ---
 kind: signature
-hmac: 2f519d332d5e2241a44b170461a9cf256dc8050de6d0a6caa99839a4b561aab5
+hmac: 55440faa2728a5b8abbd213c2cf198e01f00201ba7143391924da1b9aa02c350
 
 ...