Add gas used metric to web3 hpa (#11632)

* add gas used metric to web3 hpa

---------

Signed-off-by: Jesse Nelson <[email protected]>

Author: jnels124

charts/hedera-mirror-common/values.yaml

@@ -234,6 +234,16 @@ prometheus-adapter:
         name:
           as: "requests_per_second"
         metricsQuery: "sum(rate(<<.Series>>{<<.LabelMatchers>>}[3m])) by (<<.GroupBy>>)"
+      - seriesQuery: 'hiero_mirror_web3_evm_gas_used_total{application="web3",namespace!="",pod!=""}'
+        resources:
+          overrides:
+            namespace:
+              resource: "namespace"
+            pod:
+              resource: "pod"
+        name:
+          as: "evm_gas_used_per_second"
+        metricsQuery: 'sum(rate(<<.Series>>{<<.LabelMatchers>>}[3m])) by (<<.GroupBy>>)'
 
 prometheus:
   alertmanager:

charts/hedera-mirror-web3/values.yaml

@@ -104,6 +104,13 @@ hpa:
         target:
           type: Utilization
           averageUtilization: 80
+    - type: Pods
+      pods:
+        metric:
+          name: evm_gas_used_per_second
+        target:
+          type: AverageValue
+          averageValue: 6750k
   minReplicas: 1
 
 image: