Update prometheus fork to pick up concurrency fixes

After a LOT of debugging around #579 I was able to trace the issue down to this race condition. I'm a bit surprised as this race didn't show up in `-race` -- but is definitely a race condition. This fix resolves the issue.

Fixes #579

Makefile

@@ -42,5 +42,5 @@ vendor:
 
 .PHONY: update-prom-fork
 update-prom-fork:
-	GO111MODULE=on $(GO) mod edit -replace github.com/prometheus/prometheus=github.com/jacksontj/[email protected].4-fork
+	GO111MODULE=on $(GO) mod edit -replace github.com/prometheus/prometheus=github.com/jacksontj/[email protected].5-fork
 	$(MAKE) vendor

go.mod

@@ -164,7 +164,7 @@ require (
 	sigs.k8s.io/yaml v1.3.0 // indirect
 )
 
-replace github.com/prometheus/prometheus => github.com/jacksontj/prometheus v1.8.1-0.20230316162245-bf26a7edb634
+replace github.com/prometheus/prometheus => github.com/jacksontj/prometheus v1.8.1-0.20230330151148-3f6bd0d411b6
 
 replace github.com/golang/glog => github.com/kubermatic/glog-gokit v0.0.0-20181129151237-8ab7e4c2d352
 

go.sum

@@ -523,8 +523,8 @@ github.com/inconshreveable/mousetrap v1.0.0/go.mod h1:PxqpIevigyE2G7u3NXJIT2ANyt
 github.com/influxdata/influxdb1-client v0.0.0-20191209144304-8bf82d3c094d/go.mod h1:qj24IKcXYK6Iy9ceXlo3Tc+vtHo9lIhSX5JddghvEPo=
 github.com/ionos-cloud/sdk-go/v6 v6.1.0 h1:0EZz5H+t6W23zHt6dgHYkKavr72/30O9nA97E3FZaS4=
 github.com/ionos-cloud/sdk-go/v6 v6.1.0/go.mod h1:Ox3W0iiEz0GHnfY9e5LmAxwklsxguuNFEUSu0gVRTME=
-github.com/jacksontj/prometheus v1.8.1-0.20230316162245-bf26a7edb634 h1:nZEyw8j2UOg7YCe9akUCqbyREm/UrcIXXeY1P+mZdwQ=
-github.com/jacksontj/prometheus v1.8.1-0.20230316162245-bf26a7edb634/go.mod h1:637xk6elYZWENDfmM/Lpb9tzMI7oKvB7WAboalOs998=
+github.com/jacksontj/prometheus v1.8.1-0.20230330151148-3f6bd0d411b6 h1:n1wPblSB43aXQCc9tabOAgti0+S8oir9S/UX+T0bwso=
+github.com/jacksontj/prometheus v1.8.1-0.20230330151148-3f6bd0d411b6/go.mod h1:637xk6elYZWENDfmM/Lpb9tzMI7oKvB7WAboalOs998=
 github.com/jessevdk/go-flags v1.5.0 h1:1jKYvbxEjfUl0fmqTCOfonvskHHXMjBySTLW4y9LFvc=
 github.com/jessevdk/go-flags v1.5.0/go.mod h1:Fw0T6WPc1dYxT4mKEZRfG5kJhaTDP9pj1c2EWnYs/m4=
 github.com/jmespath/go-jmespath v0.0.0-20180206201540-c2b33e8439af/go.mod h1:Nht3zPeWKUH0NzdCt2Blrr5ys8VGpn0CEB0cQHVjt7k=

vendor/modules.txt

@@ -475,7 +475,7 @@ github.com/prometheus/exporter-toolkit/web
 github.com/prometheus/procfs
 github.com/prometheus/procfs/internal/fs
 github.com/prometheus/procfs/internal/util
-# github.com/prometheus/prometheus v1.8.2-0.20210707132820-dc8f50559534 => github.com/jacksontj/prometheus v1.8.1-0.20230316162245-bf26a7edb634
+# github.com/prometheus/prometheus v1.8.2-0.20210707132820-dc8f50559534 => github.com/jacksontj/prometheus v1.8.1-0.20230330151148-3f6bd0d411b6
 ## explicit; go 1.18
 github.com/prometheus/prometheus/config
 github.com/prometheus/prometheus/discovery
@@ -1103,6 +1103,6 @@ sigs.k8s.io/structured-merge-diff/v4/value
 # sigs.k8s.io/yaml v1.3.0
 ## explicit; go 1.12
 sigs.k8s.io/yaml
-# github.com/prometheus/prometheus => github.com/jacksontj/prometheus v1.8.1-0.20230316162245-bf26a7edb634
+# github.com/prometheus/prometheus => github.com/jacksontj/prometheus v1.8.1-0.20230330151148-3f6bd0d411b6
 # github.com/golang/glog => github.com/kubermatic/glog-gokit v0.0.0-20181129151237-8ab7e4c2d352
 # k8s.io/klog => github.com/simonpasquier/klog-gokit v0.1.0