[chore] update ebitengine/purego to v0.8.4 (open-telemetry#13083)

<!--Ex. Fixing a bug - Describe the bug and how this fixes the issue.
Ex. Adding a feature - Explain what this achieves.-->
#### Description
update github.com/ebitengine/purego to v0.8.4
<!-- Issue number if applicable -->

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#### Testing
n/a
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#### Documentation
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Author: jackgopack4

cmd/otelcorecol/go.mod

@@ -40,7 +40,7 @@ require (
 	github.com/cenkalti/backoff/v5 v5.0.2 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ebitengine/purego v0.8.4-0.20250520125605-a52bc8357ac9 // indirect
+	github.com/ebitengine/purego v0.8.4 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/foxboron/go-tpm-keyfiles v0.0.0-20250323135004-b31fac66206e // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect

cmd/otelcorecol/go.sum

@@ -16,7 +16,7 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ebitengine/purego v0.8.4-0.20250520125605-a52bc8357ac9 // indirect
+	github.com/ebitengine/purego v0.8.4 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect

extension/memorylimiterextension/go.mod

@@ -44,7 +44,7 @@ require (
 	github.com/cenkalti/backoff/v5 v5.0.2 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ebitengine/purego v0.8.4-0.20250520125605-a52bc8357ac9 // indirect
+	github.com/ebitengine/purego v0.8.4 // indirect
 	github.com/felixge/httpsnoop v1.0.4 // indirect
 	github.com/foxboron/go-tpm-keyfiles v0.0.0-20250323135004-b31fac66206e // indirect
 	github.com/fsnotify/fsnotify v1.9.0 // indirect

extension/memorylimiterextension/go.sum

@@ -13,7 +13,7 @@ require (
 
 require (
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ebitengine/purego v0.8.4-0.20250520125605-a52bc8357ac9 // indirect
+	github.com/ebitengine/purego v0.8.4 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect

internal/e2e/go.mod

@@ -40,7 +40,7 @@ require (
 	github.com/cenkalti/backoff/v4 v4.3.0 // indirect
 	github.com/cespare/xxhash/v2 v2.3.0 // indirect
 	github.com/davecgh/go-spew v1.1.1 // indirect
-	github.com/ebitengine/purego v0.8.4-0.20250520125605-a52bc8357ac9 // indirect
+	github.com/ebitengine/purego v0.8.4 // indirect
 	github.com/go-logr/logr v1.4.2 // indirect
 	github.com/go-logr/stdr v1.2.2 // indirect
 	github.com/go-ole/go-ole v1.2.6 // indirect