Bump github.com/zalando/skipper from 0.21.54 to 0.21.78

Bumps [github.com/zalando/skipper](https://github.com/zalando/skipper) from 0.21.54 to 0.21.78.
- [Release notes](https://github.com/zalando/skipper/releases)
- [Commits](zalando/skipper@v0.21.54...v0.21.78)

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

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

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/prometheus/client_golang v1.19.0
 	github.com/sirupsen/logrus v1.9.3
 	github.com/stretchr/testify v1.9.0
-	github.com/zalando/skipper v0.21.54
+	github.com/zalando/skipper v0.21.78
 	k8s.io/api v0.29.4
 	k8s.io/apimachinery v0.29.4
 	k8s.io/client-go v0.29.4
@@ -26,7 +26,6 @@ require (
 	github.com/cenkalti/backoff v2.2.1+incompatible // indirect
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
-	github.com/containerd/containerd v1.7.15 // indirect
 	github.com/davecgh/go-spew v1.1.2-0.20180830191138-d8f796af33cc // indirect
 	github.com/dchest/siphash v1.2.3 // indirect
 	github.com/dgryski/go-jump v0.0.0-20211018200510-ba001c3ffce0 // indirect
@@ -77,10 +76,8 @@ require (
 	golang.org/x/term v0.19.0 // indirect
 	golang.org/x/text v0.14.0 // indirect
 	golang.org/x/time v0.5.0 // indirect
-	golang.org/x/tools v0.20.0 // indirect
 	google.golang.org/genproto/googleapis/api v0.0.0-20240415180920-8c6c420018be // indirect
 	google.golang.org/genproto/googleapis/rpc v0.0.0-20240415180920-8c6c420018be // indirect
-	google.golang.org/grpc v1.63.2 // indirect
 	google.golang.org/protobuf v1.33.0 // indirect
 	gopkg.in/go-playground/assert.v1 v1.2.1 // indirect
 	gopkg.in/go-playground/validator.v9 v9.31.0 // indirect

go.sum

@@ -116,8 +116,8 @@ github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1 h1:K6RDEckDVWvDI9JAJY
 github.com/google/pprof v0.0.0-20210720184732-4bb14d4b1be1/go.mod h1:kpwsk12EmLew5upagYY7GY0pfYCcupk39gWOCRROcvE=
 github.com/google/uuid v1.6.0 h1:NIvaJDMOsjHA8n1jAhLSgzrAzy1Hgr+hNrb57e+94F0=
 github.com/google/uuid v1.6.0/go.mod h1:TIyPZe4MgqvfeYDBFedMoGGpEw/LqOeaOT+nhxU+yHo=
-github.com/instana/go-sensor v1.62.0 h1:SVHeDpkv8QGtJjGp351nmQpHtsigtuonAp1JZl2dHac=
-github.com/instana/go-sensor v1.62.0/go.mod h1:VANqbeoHzgsGeilVYvTG8Kl/zFPuk2tr2DlyvBt8200=
+github.com/instana/go-sensor v1.62.1 h1:WkZ3Foej8UtvuJlmnPO9PDyRbEHMVVn3Dmzt9GQpLd8=
+github.com/instana/go-sensor v1.62.1/go.mod h1:VANqbeoHzgsGeilVYvTG8Kl/zFPuk2tr2DlyvBt8200=
 github.com/jmespath/go-jmespath v0.4.0 h1:BEgLn5cpjn8UN1mAw4NjwDrS35OdebyEtFe+9YPoQUg=
 github.com/jmespath/go-jmespath v0.4.0/go.mod h1:T8mJZnbsbmF+m6zOOFylbeCJqk5+pHWvzYPziyZiYoo=
 github.com/jmespath/go-jmespath/internal/testify v1.5.1 h1:shLQSRRSCCPj3f2gpwzGwWFoC7ycTf1rcQZHOlsJ6N8=
@@ -257,8 +257,8 @@ github.com/yuin/gopher-lua v1.1.1 h1:kYKnWBjvbNP4XLT3+bPEwAXJx262OhaHDWDVOPjL46M
 github.com/yuin/gopher-lua v1.1.1/go.mod h1:GBR0iDaNXjAgGg9zfCvksxSRnQx76gclCIb7kdAd1Pw=
 github.com/yusufpapurcu/wmi v1.2.3 h1:E1ctvB7uKFMOJw3fdOW32DwGE9I7t++CRUEMKvFoFiw=
 github.com/yusufpapurcu/wmi v1.2.3/go.mod h1:SBZ9tNy3G9/m5Oi98Zks0QjeHVDvuK0qfxQmPyzfmi0=
-github.com/zalando/skipper v0.21.54 h1:QLuZvHFXQTLktJAxndGrbhpd5mwCuy8+yQAqgOp+ya8=
-github.com/zalando/skipper v0.21.54/go.mod h1:lop6RvfdU26Jypd+EzVHyjZBMvUSOXKZJ9pBs9IuwCs=
+github.com/zalando/skipper v0.21.78 h1:Wve7T2UIQ4/DnsLEv6btPDLDdmN+dkZS00LOw3/81pM=
+github.com/zalando/skipper v0.21.78/go.mod h1:nF5+AIJtZnqneV5CRiKZsRbs+Ks9OOoMXfZVtEKY76E=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.50.0 h1:cEPbyTSEHlQR89XVlyo78gqluF8Y3oMeBkXGWzQsfXY=
 go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.50.0/go.mod h1:DKdbWcT4GH1D0Y3Sqt/PFXt2naRKDWtU+eE6oLdFNA8=
 go.opentelemetry.io/otel v1.25.0 h1:gldB5FfhRl7OJQbUHt/8s0a7cE8fbsPAtdpRaApKy4k=