Standardize YAML formatting (#9142)

## What changed?

Adds and integrates `yamlfmt` (Go-based, by Google).

Anything not annotated was changed by `yamlfmt`.

## Why?

Consistent YAML formatting. Reduce unrelated diffs caused by formatting
in PRs.

## How did you test it?
- [ ] built
- [ ] run locally and tested manually
- [x] covered by existing tests
- [ ] added new unit test(s)
- [ ] added new functional test(s)

develop/docker-compose/grafana/provisioning/dashboards/dashboard.yml

@@ -1,11 +1,11 @@
 apiVersion: 1
 
 providers:
-- name: "Temporal"
-  orgId: 1
-  folder: ''
-  type: file
-  disableDeletion: false
-  editable: true
-  options:
-    path: /etc/grafana/provisioning/temporalio-dashboards
+  - name: "Temporal"
+    orgId: 1
+    folder: ''
+    type: file
+    disableDeletion: false
+    editable: true
+    options:
+      path: /etc/grafana/provisioning/temporalio-dashboards

develop/docker-compose/grafana/provisioning/datasources/prometheus.yml

@@ -1,22 +1,22 @@
 apiVersion: 1
 datasources:
-- name: Prometheus-Linux
-  type: prometheus
-  url: http://localhost:9090
-  access: proxy
-  isDefault: true
-- name: Prometheus-Darwin
-  type: prometheus
-  url: http://prometheus:9090
-  access: proxy
-  isDefault: false
-- name: Tempo-Linux
-  type: tempo
-  access: proxy
-  url: http://localhost:3200
-  isDefault: false
-- name: Tempo-Darwin
-  type: tempo
-  access: proxy
-  url: http://tempo:3200
-  isDefault: false
+  - name: Prometheus-Linux
+    type: prometheus
+    url: http://localhost:9090
+    access: proxy
+    isDefault: true
+  - name: Prometheus-Darwin
+    type: prometheus
+    url: http://prometheus:9090
+    access: proxy
+    isDefault: false
+  - name: Tempo-Linux
+    type: tempo
+    access: proxy
+    url: http://localhost:3200
+    isDefault: false
+  - name: Tempo-Darwin
+    type: tempo
+    access: proxy
+    url: http://tempo:3200
+    isDefault: false

develop/docker-compose/grafana/provisioning/tempo/tempo.yaml

@@ -24,17 +24,17 @@ query_frontend:
   trace_by_id:
     duration_slo: 100ms
   metrics:
-    max_duration: 120h                # maximum duration of a metrics query, increase for local setups
+    max_duration: 120h # maximum duration of a metrics query, increase for local setups
     query_backend_after: 5m
     duration_slo: 5s
     throughput_bytes_slo: 1.073741824e+09
 
 distributor:
-  receivers:                           # this configuration will listen on all ports and protocols that tempo is capable of.
-    jaeger:                            # the receives all come from the OpenTelemetry collector.  more configuration information can
-      protocols:                       # be found there: https://github.com/open-telemetry/opentelemetry-collector/tree/main/receiver
-        thrift_http:                   #
-        grpc:                          # for a production deployment you should only enable the receivers you need!
+  receivers: # this configuration will listen on all ports and protocols that tempo is capable of.
+    jaeger: # the receives all come from the OpenTelemetry collector.  more configuration information can
+      protocols: # be found there: https://github.com/open-telemetry/opentelemetry-collector/tree/main/receiver
+        thrift_http: #
+        grpc: # for a production deployment you should only enable the receivers you need!
         thrift_binary:
         thrift_compact:
     zipkin:
@@ -45,11 +45,11 @@ distributor:
     opencensus:
 
 ingester:
-  max_block_duration: 5m               # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally
+  max_block_duration: 5m # cut the headblock when this much time passes. this is being set for demo purposes and should probably be left alone normally
 
 compactor:
   compaction:
-    block_retention: 24h                # overall Tempo trace retention. set for demo purposes
+    block_retention: 24h # overall Tempo trace retention. set for demo purposes
 
 metrics_generator:
   registry:
@@ -70,9 +70,9 @@ metrics_generator:
 
 storage:
   trace:
-    backend: local                     # backend configuration to use
+    backend: local # backend configuration to use
     wal:
-      path: /var/tempo/wal             # where to store the wal locally
+      path: /var/tempo/wal # where to store the wal locally
     local:
       path: /var/tempo/blocks
 
@@ -80,4 +80,4 @@ overrides:
   defaults:
     metrics_generator:
       processors: [service-graphs, span-metrics, local-blocks] # enables metrics generator
-      generate_native_histograms: both
+      generate_native_histograms: both

develop/docker-compose/prometheus-darwin/prometheus.yml

@@ -13,4 +13,4 @@ scrape_configs:
   - job_name: tempo
     static_configs:
       - targets:
-          - host.docker.internal:3200
+          - host.docker.internal:3200

develop/docker-compose/prometheus-linux/prometheus.yml

@@ -13,4 +13,4 @@ scrape_configs:
   - job_name: tempo
     static_configs:
       - targets:
-          - localhost:3200
+          - localhost:3200