[chore][configtls] Add goleak test via metadata.yaml (#15632)

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#### Description

Adds `metadata.yaml` to `configtls` and add `goleak` configuration.

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#### Link to tracking issue
Updates #9221

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Author: mx-psi

.github/workflows/utils/cspell.json

@@ -288,6 +288,7 @@
       "incorrectclass",
       "incorrectcomponent",
       "incorrectstability",
+      "inotify",
       "instrgen",
       "internaldata",
       "ints",

config/configtls/doc.go

@@ -4,3 +4,5 @@
 // Package configtls implements the TLS settings to load and
 // configure TLS clients and servers.
 package configtls // import "go.opentelemetry.io/collector/config/configtls"
+
+//go:generate mdatagen metadata.yaml

config/configtls/generated_package_test.go

@@ -10,6 +10,7 @@ require (
 	go.opentelemetry.io/collector/config/configopaque v1.63.0
 	go.opentelemetry.io/collector/confmap v1.63.0
 	go.opentelemetry.io/collector/internal/testutil v0.157.0
+	go.uber.org/goleak v1.3.0
 )
 
 require (

config/configtls/go.mod

@@ -5,3 +5,14 @@ github_project: open-telemetry/opentelemetry-collector
 status:
   disable_codecov_badge: true
   class: pkg
+
+tests:
+  goleak:
+    ignore:
+      top:
+        # https://github.com/open-telemetry/opentelemetry-collector/issues/9221
+        - "go.opentelemetry.io/collector/config/configtls.(*clientCAsFileReloader).handleWatcherEvents"
+      any:
+        # https://github.com/open-telemetry/opentelemetry-collector/issues/9221
+        - "github.com/fsnotify/fsnotify.(*inotify).readEvents"
+        - "github.com/fsnotify/fsnotify.(*readDirChangesW).readEvents"