release: prepare changelog for 2.5.0 release

- Add release date
- Remove extraneous entry for backporting fixes for handling synthetic auth services since it was also backported to 2.4.1
- Fix typos

Signed-off-by: Hamzah Qudsi <hqudsi@datawire.io>

CHANGELOG.md

@@ -82,7 +82,7 @@ it will be removed; but as it won't be user-visible this isn't considered a brea
 
 ## RELEASE NOTES
 
-## [2.5.0] TBD
+## [2.5.0] November 03, 2022
 [2.5.0]: https://github.com/emissary-ingress/emissary/compare/v2.4.0...v2.5.0
 
 ### Emissary-ingress and Ambassador Edge Stack
@@ -92,10 +92,6 @@ it will be removed; but as it won't be user-visible this isn't considered a brea
   not  being able to handle the extra colon. This has been fixed and Emissary-ingress will not throw
   an error when parsing envoy metrics for the diagnostics user interface.
 
-- Bugfix: The synthetic AuthService didn't correctly handle AmbassadorID, which was fixed in version
-  3.1 of Emissary-ingress. The fix has been backported to make sure the AuthService is handled
-  correctly during upgrades.
-
 - Security: Bump Go from 1.17.12 to 1.19.2. This is to keep the Go version current.
 
 ## [2.4.0] September 19, 2022

docs/releaseNotes.yml

@@ -33,7 +33,7 @@
 changelog: https://github.com/emissary-ingress/emissary/blob/$branch$/CHANGELOG.md
 items:
   - version: 2.5.0
-    date: 'TBD'
+    date: '2022-11-03'
     notes:
       - title: Diagnostics stats properly handles parsing envoy metrics with colons
         type: bugfix
@@ -42,14 +42,8 @@ items:
           diagnostics endpoints <code>ambassador/v0/diagd</code> then an error would be thrown due to the parsing logic not 
           being able to handle the extra colon. This has been fixed and $productName$ will not throw an error when parsing
           envoy metrics for the diagnostics user interface.
-          
-      - title: Backport fixes for handling synthetic auth services
-        type: bugfix
-        body: >-
-          The synthetic AuthService didn't correctly handle AmbassadorID, which was fixed in version 3.1 of $productName$.
-          The fix has been backported to make sure the AuthService is handled correctly during upgrades.
 
-      - title: Bump GoLang to 1.19.2
+      - title: Bump Golang to 1.19.2
         type: security
         body: >-
           Bump Go from 1.17.12 to 1.19.2. This is to keep the Go version current.