bump prometheus-client and fix breaking change to empty label set (#132)

replaces #130

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

Author: clux

Cargo.lock

@@ -43,7 +43,7 @@ opentelemetry-otlp = { version = "0.27.0", optional = true }
 opentelemetry_sdk = { version = "0.27.1", features = ["rt-tokio"] }
 thiserror = "2.0.11"
 anyhow = "1.0.95"
-prometheus-client = "0.22.2"
+prometheus-client = "0.23.1"
 
 [dev-dependencies]
 assert-json-diff = "2.0.2"

Cargo.toml

@@ -45,15 +45,15 @@ impl TryFrom<&TraceId> for TraceLabel {
 
 #[derive(Clone)]
 pub struct ReconcileMetrics {
-    pub runs: Family<(), Counter>,
+    pub runs: Counter,
     pub failures: Family<ErrorLabels, Counter>,
     pub duration: HistogramWithExemplars<TraceLabel>,
 }
 
 impl Default for ReconcileMetrics {
     fn default() -> Self {
         Self {
-            runs: Family::<(), Counter>::default(),
+            runs: Counter::default(),
             failures: Family::<ErrorLabels, Counter>::default(),
             duration: HistogramWithExemplars::new([0.01, 0.1, 0.25, 0.5, 1., 5., 15., 60.].into_iter()),
         }
@@ -90,7 +90,7 @@ impl ReconcileMetrics {
     }
 
     pub fn count_and_measure(&self, trace_id: &TraceId) -> ReconcileMeasurer {
-        self.runs.get_or_create(&()).inc();
+        self.runs.inc();
         ReconcileMeasurer {
             start: Instant::now(),
             labels: trace_id.try_into().ok(),