CI: Mount /root/.docker/ dir in authenticate-gcr step (#73977)

Mount /root/.docker/ dir

.drone.yml

@@ -4174,6 +4174,8 @@ steps:
   volumes:
   - name: docker
     path: /var/run/docker.sock
+  - name: config
+    path: /root/.docker/
 - commands:
   - trivy --exit-code 0 --severity UNKNOWN,LOW,MEDIUM grafana/grafana:latest
   depends_on:
@@ -4228,6 +4230,8 @@ steps:
   volumes:
   - name: docker
     path: /var/run/docker.sock
+  - name: config
+    path: /root/.docker/
 - commands:
   - trivy --exit-code 0 --severity UNKNOWN,LOW,MEDIUM grafana/grafana:main
   depends_on:
@@ -4282,6 +4286,8 @@ steps:
   volumes:
   - name: docker
     path: /var/run/docker.sock
+  - name: config
+    path: /root/.docker/
 - commands:
   - trivy --exit-code 0 --severity UNKNOWN,LOW,MEDIUM grafana/grafana:latest-ubuntu
   depends_on:
@@ -4337,6 +4343,8 @@ steps:
   volumes:
   - name: docker
     path: /var/run/docker.sock
+  - name: config
+    path: /root/.docker/
 - commands:
   - trivy --exit-code 0 --severity UNKNOWN,LOW,MEDIUM grafana/grafana:main-ubuntu
   depends_on:
@@ -4392,6 +4400,8 @@ steps:
   volumes:
   - name: docker
     path: /var/run/docker.sock
+  - name: config
+    path: /root/.docker/
 - commands:
   - trivy --exit-code 0 --severity UNKNOWN,LOW,MEDIUM google/cloud-sdk:431.0.0
   - trivy --exit-code 0 --severity UNKNOWN,LOW,MEDIUM grafana/build-container:1.7.5
@@ -4674,6 +4684,6 @@ kind: secret
 name: gcr_credentials
 ---
 kind: signature
-hmac: 37c8cdea5d79479014c2bee1b93433549ba5f8d5f2eef4f599247312c661118c
+hmac: 3b06794759b5abd481276e01b74322faebfd4a11c18b32fabd814cd47c8f4ce7
 
 ...

scripts/drone/events/cron.star

@@ -32,7 +32,7 @@ def authenticate_gcr_step():
         "environment": {
             "GCR_CREDENTIALS": from_secret("gcr_credentials"),
         },
-        "volumes": [{"name": "docker", "path": "/var/run/docker.sock"}],
+        "volumes": [{"name": "docker", "path": "/var/run/docker.sock"}, {"name": "config", "path": "/root/.docker/"}],
     }
 
 def cron_job_pipeline(cronName, name, steps):