update changelog

Author: michalsn

user_guide_src/source/changelogs/v4.7.0.rst

@@ -100,7 +100,7 @@ Others
 Message Changes
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-- Added ``Email.invalidSMTPAuthMethod`` and ``Email.failureSMTPAuthMethod``
+- Added ``Email.invalidSMTPAuthMethod``, ``Email.failureSMTPAuthMethod``, ``CLI.signals.noPcntlExtension``, ``CLI.signals.noPosixExtension`` and ``CLI.signals.failedSignal``.
 - Deprecated ``Email.failedSMTPLogin`` and ``Image.libPathInvalid``
 
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