Add missing NEXT_CHANGELOG.md for the canonicalize PR

Author: mkazia

NEXT_CHANGELOG.md

@@ -7,6 +7,7 @@
 ### Breaking Changes
 
 ### Bug Fixes
+* Cannonicalize Bearer tokenType in Authorization headers
 
 ### Security Vulnerabilities
 
@@ -23,4 +24,5 @@
 * Add `autoscopeEnabled` field for `com.databricks.sdk.service.settings.CreateTokenRequest`.
 * Add `autoscopeState`, `backfillScopes`, `inferredScopes` and `scopes` fields for `com.databricks.sdk.service.settings.PublicTokenInfo`.
 * Add `autoscopeState`, `backfillScopes`, `inferredScopes` and `scopes` fields for `com.databricks.sdk.service.settings.TokenInfo`.
-* Add `resourceType` field for `com.databricks.sdk.service.bundle.Operation`.
+* Add `resourceType` field for `com.databricks.sdk.service.bundle.Operation`.
+* Add `getCanonicalTokenType()` method for `com.databricks.sdk,core.oauth/Token`