TT-10153 Fix OTel memory leak (#5587)

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## Description
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This PR updates the opentelemetry lib to the latest version (v0.0.19)
which includes TykTechnologies/opentelemetry#32
and TykTechnologies/opentelemetry#30 fixes.
## Related Issue

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issue first. -->
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to reproduce. -->
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JIRA ticket. -->
https://tyktech.atlassian.net/browse/TT-10153
## Motivation and Context

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https://tyktech.atlassian.net/browse/TT-10153
## How This Has Been Tested

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## Screenshots (if appropriate)

## Types of changes

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the boxes that apply: -->

- [ ] Bug fix (non-breaking change which fixes an issue)
- [ ] New feature (non-breaking change which adds functionality)
- [ ] Breaking change (fix or feature that would cause existing
functionality to change)
- [ ] Refactoring or add test (improvements in base code or adds test
coverage to functionality)

## Checklist

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that apply -->
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checked. -->
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- [ ] I ensured that the documentation is up to date
- [ ] I explained why this PR updates go.mod in detail with reasoning
why it's required
- [ ] I would like a code coverage CI quality gate exception and have
explained why

go.mod

@@ -70,7 +70,7 @@ require (
 	golang.org/x/crypto v0.13.0
 	golang.org/x/net v0.15.0
 	golang.org/x/sync v0.3.0
-	google.golang.org/grpc v1.56.0
+	google.golang.org/grpc v1.58.0
 	google.golang.org/grpc/examples v0.0.0-20220317213542-f95b001a48df // test
 	google.golang.org/protobuf v1.31.0
 	gopkg.in/alecthomas/kingpin.v2 v2.2.6
@@ -81,7 +81,7 @@ require (
 
 require (
 	github.com/TykTechnologies/kin-openapi v0.90.0
-	github.com/TykTechnologies/opentelemetry v0.0.18
+	github.com/TykTechnologies/opentelemetry v0.0.19
 )
 
 require (
@@ -174,17 +174,16 @@ require (
 	github.com/valyala/bytebufferpool v1.0.0 // indirect
 	github.com/xeipuuv/gojsonpointer v0.0.0-20190809123943-df4f5c81cb3b // indirect
 	github.com/xeipuuv/gojsonreference v0.0.0-20180127040603-bd5ef7bd5415 // indirect
-	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.42.0 // indirect
+	go.opentelemetry.io/contrib/instrumentation/net/http/otelhttp v0.45.0 // indirect
 	go.opentelemetry.io/contrib/propagators/b3 v1.17.0 // indirect
-	go.opentelemetry.io/otel v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/internal/retry v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.16.0 // indirect
-	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.16.0 // indirect
-	go.opentelemetry.io/otel/metric v1.16.0 // indirect
-	go.opentelemetry.io/otel/sdk v1.16.0 // indirect
-	go.opentelemetry.io/otel/trace v1.16.0 // indirect
-	go.opentelemetry.io/proto/otlp v0.19.0 // indirect
+	go.opentelemetry.io/otel v1.19.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace v1.18.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracegrpc v1.18.0 // indirect
+	go.opentelemetry.io/otel/exporters/otlp/otlptrace/otlptracehttp v1.18.0 // indirect
+	go.opentelemetry.io/otel/metric v1.19.0 // indirect
+	go.opentelemetry.io/otel/sdk v1.18.0 // indirect
+	go.opentelemetry.io/otel/trace v1.19.0 // indirect
+	go.opentelemetry.io/proto/otlp v1.0.0 // indirect
 	go.uber.org/atomic v1.9.0 // indirect
 	go.uber.org/multierr v1.6.0 // indirect
 	go.uber.org/zap v1.18.1 // indirect
@@ -195,8 +194,8 @@ require (
 	golang.org/x/tools v0.13.0 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	google.golang.org/appengine v1.6.7 // indirect
-	google.golang.org/genproto/googleapis/api v0.0.0-20230530153820-e85fd2cbaebc // indirect
-	google.golang.org/genproto/googleapis/rpc v0.0.0-20230530153820-e85fd2cbaebc // indirect
+	google.golang.org/genproto/googleapis/api v0.0.0-20230711160842-782d3b101e98 // indirect
+	google.golang.org/genproto/googleapis/rpc v0.0.0-20230711160842-782d3b101e98 // indirect
 	gopkg.in/cenkalti/backoff.v1 v1.1.0 // indirect
 	gopkg.in/mgo.v2 v2.0.0-20190816093944-a6b53ec6cb22 // indirect
 	gopkg.in/sourcemap.v1 v1.0.5 // indirect