Fix labels in changelog generator config.

.github_changelog_generator

@@ -1,17 +1,17 @@
 add-issues-wo-labels=true
 add-pr-wo-labels=true
 author=true
-breaking-labels=backwards-incompatible, Backwards incompatible, breaking
+breaking-labels=backwards-incompatible,Backwards incompatible,breaking
 breaking-prefix=### Breaking changes
 bug-labels=bug - confirmed
 bug-prefix=### Fixes
 compare-link=true
 date-format=%Y-%m-%d
-deprecated-labels=deprecated, Deprecated, Type: Deprecated
+deprecated-labels=deprecated,Deprecated,Type: Deprecated
 deprecated-prefix=### Deprecates
-enhancement-labels=improvement, documentation, builds / deploys / releases, feature request
+enhancement-labels=improvement,documentation,builds / deploys / releases,feature request
 enhancement-prefix=### Changes
-exclude-labels=bug - unconfirmed, can't reproduce / won't fix, invalid, triage
+exclude-labels=bug - unconfirmed,can't reproduce / won't fix,invalid,triage
 filter-issues-by-milestone=true
 header=
 http-cache=true
@@ -21,14 +21,14 @@ merge-prefix=### Pull request(s) without label
 output=
 project=phpcodesniffer-composer-installer
 pulls=true
-removed-labels=removed, Removed, Type: Removed
+removed-labels=removed,Removed,Type: Removed
 removed-prefix=### Removes
-security-labels=security, Security, Type: Security
+security-labels=security,Security,Type: Security
 security-prefix=### Security
-summary-labels=Release summary, release-summary, Summary, summary
+summary-labels=Release summary,release-summary,Summary,summary
 unreleased=true
 unreleased-label=Unreleased
 unreleased-only=true
 user=Dealerdirect
 usernames-as-github-logins=true
-verbose=false
+verbose=false