Update common Prometheus files

Signed-off-by: prombot <[email protected]>

.circleci/config.yml

@@ -1,51 +1,45 @@
----
 version: 2.1
-
 orbs:
-  prometheus: prometheus/[email protected]
-
+  prometheus: prometheus/[email protected]
 executors:
   # Whenever the Go version is updated here, .promu.yml should also be updated.
   golang:
     docker:
-    - image: circleci/golang:1.16
-
+      - image: circleci/golang:1.16
 jobs:
   test:
     executor: golang
-
     steps:
-    - prometheus/setup_environment
-    - run: make
-    - prometheus/store_artifact:
-        file: pushgateway
-
+      - prometheus/setup_environment
+      - run: make
+      - prometheus/store_artifact:
+          file: pushgateway
 workflows:
   version: 2
   pushgateway:
     jobs:
-    - test:
-        filters:
-          tags:
-            only: /.*/
-    - prometheus/build:
-        name: build
-        filters:
-          tags:
-            only: /.*/
-    - prometheus/publish_master:
-        requires:
-        - test
-        - build
-        filters:
-          branches:
-            only: master
-    - prometheus/publish_release:
-        requires:
-        - test
-        - build
-        filters:
-          tags:
-            only: /^v[0-9]+(\.[0-9]+){2}(-.+|[^-.]*)$/
-          branches:
-            ignore: /.*/
+      - test:
+          filters:
+            tags:
+              only: /.*/
+      - prometheus/build:
+          name: build
+          filters:
+            tags:
+              only: /.*/
+      - prometheus/publish_master:
+          requires:
+            - test
+            - build
+          filters:
+            branches:
+              only: master
+      - prometheus/publish_release:
+          requires:
+            - test
+            - build
+          filters:
+            tags:
+              only: /^v[0-9]+(\.[0-9]+){2}(-.+|[^-.]*)$/
+            branches:
+              ignore: /.*/