Bump google.golang.org/protobuf from 1.32.0 to 1.33.0 (#3629)

Bumps google.golang.org/protobuf from 1.32.0 to 1.33.0.

---
updated-dependencies:
- dependency-name: google.golang.org/protobuf
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

go.mod

@@ -41,16 +41,14 @@ require github.com/prometheus/client_golang v1.19.0
 require (
 	github.com/beorn7/perks v1.0.1 // indirect
 	github.com/cespare/xxhash/v2 v2.2.0 // indirect
-	github.com/golang/protobuf v1.5.3 // indirect
 	github.com/klauspost/compress v1.16.7 // indirect
 	github.com/lufia/plan9stats v0.0.0-20211012122336-39d0f177ccd0 // indirect
-	github.com/matttproud/golang_protobuf_extensions v1.0.4 // indirect
 	github.com/power-devops/perfstat v0.0.0-20210106213030-5aafc221ea8c // indirect
 	github.com/prometheus/client_model v0.5.0 // indirect
 	github.com/prometheus/common v0.48.0 // indirect
 	github.com/prometheus/procfs v0.12.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
-	google.golang.org/protobuf v1.32.0 // indirect
+	google.golang.org/protobuf v1.33.0 // indirect
 )
 
 require (
@@ -84,7 +82,6 @@ require (
 	github.com/yuin/goldmark-emoji v1.0.2
 	gopkg.in/evanphx/json-patch.v5 v5.9.0
 	mvdan.cc/xurls v1.1.0
-	mvdan.cc/xurls/v2 v2.5.0
 )
 
 replace github.com/go-fed/activity => github.com/owncast/activity v1.0.1-0.20211229051252-7821289d4026