update changelog

.chloggen/dd-config-api-key-fix.yaml

@@ -7,16 +7,15 @@ change_type: bug_fix
 component: connector/datadog, exporter/datadog, pkg/datadog
 
 # A brief description of the change.  Surround your text with quotes ("") if it needs to start with a backtick (`).
-note: strip extra quotations from API keys when read in via environment variables
+note: throw error if datadog API key contains invalid characters
 
 # Mandatory: One or more tracking issues related to the change. You can use the PR number here if no issue exists.
 issues: [36509]
 
 # (Optional) One or more lines of additional information to render under the primary note.
 # These lines will be padded with 2 spaces and then inserted directly into the document.
 # Use pipe (|) for multiline entries.
-subtext: |
-  API keys should still validate even if reading in via environment variable caused extra quotations.
+subtext:
 
 # If your change doesn't affect end users or the exported elements of any package,
 # you should instead start your pull request title with [chore] or use the "Skip Changelog" label.