Finish the update to go 1.14 (prometheus#1696)

* Finish the update to go 1.14

Signed-off-by: Julien Pivotto <roidelapluie@inuits.eu>

Author: Julien Pivotto

.circleci/config.yml

@@ -2,11 +2,11 @@
 version: 2.1
 
 orbs:
-  prometheus: prometheus/prometheus@0.1.0
+  prometheus: prometheus/prometheus@0.4.0
 
 executors:
-  # Whenever the Go version is updated here, .promu.yml should
-  # also be updated.
+  # Whenever the Go version is updated here, .promu.yml and .promu-cgo.yml
+  # should also be updated.
   golang:
     docker:
     - image: circleci/golang:1.14
@@ -35,7 +35,7 @@ jobs:
       image: ubuntu-1604:201903-01
 
     environment:
-      DOCKER_TEST_IMAGE_NAME: quay.io/prometheus/golang-builder:1.13-base
+      DOCKER_TEST_IMAGE_NAME: quay.io/prometheus/golang-builder:1.14-base
       REPO_PATH: github.com/prometheus/node_exporter
 
     steps:

.promu-cgo.yml

@@ -1,4 +1,7 @@
 go:
+    # Whenever the Go version is updated here, .circle/config.yml and
+    # .promu.yml should also be updated.
+    version: 1.14
     cgo: true
 repository:
     path: github.com/prometheus/node_exporter

.promu.yml

@@ -1,6 +1,6 @@
 go:
-    # Whenever the Go version is updated here, .circle/config.yml should
-    # also be updated.
+    # Whenever the Go version is updated here, .circle/config.yml and
+    # .promu-cgo.yml should also be updated.
     version: 1.14
 repository:
     path: github.com/prometheus/node_exporter