Bump github.com/prometheus/prometheus in /example/thanos-engine

Bumps [github.com/prometheus/prometheus](https://github.com/prometheus/prometheus) from 0.50.0 to 0.50.1.
- [Release notes](https://github.com/prometheus/prometheus/releases)
- [Changelog](https://github.com/prometheus/prometheus/blob/main/CHANGELOG.md)
- [Commits](prometheus/prometheus@v0.50.0...v0.50.1)

---
updated-dependencies:
- dependency-name: github.com/prometheus/prometheus
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

example/thanos-engine/go.mod

@@ -6,7 +6,7 @@ require (
 	github.com/cortexproject/promqlsmith v0.0.0-00010101000000-000000000000
 	github.com/efficientgo/core v1.0.0-rc.2
 	github.com/google/go-cmp v0.6.0
-	github.com/prometheus/prometheus v0.50.0
+	github.com/prometheus/prometheus v0.50.1
 	github.com/thanos-community/promql-engine v0.0.0-20230307133125-c619a78add34
 )
 

example/thanos-engine/go.sum

@@ -398,8 +398,8 @@ github.com/prometheus/procfs v0.1.3/go.mod h1:lV6e/gmhEcM9IjHGsFOCxxuZ+z1YqCvr4O
 github.com/prometheus/procfs v0.6.0/go.mod h1:cz+aTbrPOrUb4q7XlbU9ygM+/jj0fzG6c1xBZuNvfVA=
 github.com/prometheus/procfs v0.12.0 h1:jluTpSng7V9hY0O2R9DzzJHYb2xULk9VTR1V1R/k6Bo=
 github.com/prometheus/procfs v0.12.0/go.mod h1:pcuDEFsWDnvcgNzo4EEweacyhjeA9Zk3cnaOZAZEfOo=
-github.com/prometheus/prometheus v0.50.0 h1:gf+SN6jtbsZ70KkIGg7S3LuB4kHyUfatZLCGwZ1/aec=
-github.com/prometheus/prometheus v0.50.0/go.mod h1:FvE8dtQ1Ww63IlyKBn1V4s+zMwF9kHkVNkQBR1pM4CU=
+github.com/prometheus/prometheus v0.50.1 h1:N2L+DYrxqPh4WZStU+o1p/gQlBaqFbcLBTjlp3vpdXw=
+github.com/prometheus/prometheus v0.50.1/go.mod h1:FvE8dtQ1Ww63IlyKBn1V4s+zMwF9kHkVNkQBR1pM4CU=
 github.com/rogpeppe/go-internal v1.1.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.2.2/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=
 github.com/rogpeppe/go-internal v1.3.0/go.mod h1:M8bDsm7K2OlrFYOpmOWEs/qY81heoFRclV5y23lUDJ4=