ensure changelog, notice, are up-to-date (#583)

* ensure changelog, notice, are up-to-date

* update comment

jobs/release.yml

@@ -28,6 +28,8 @@ name: $(Date:yyyyMMdd).$(Rev:r)
 variables:
   IsPreRelease: 0
   # ReleaseVersion is set in the versions tab so it can be edited.
+  # VerifyNotice is set in the versions tab so it can be edited.
+  # VerifyChangelog is set in the versions tab so it can be edited.
   TeamName: C++ Cross Platform and Cloud
   # If the user didn't override the signing type, then only real-sign on main.
   ${{ if ne(parameters.SignTypeOverride, 'default') }}:
@@ -74,4 +76,24 @@ extends:
                         exit /B 1
                     )
                     exit /b 0
+              - task: CmdLine@2
+                displayName: Check VerifyNotice
+                inputs:
+                  script: |-
+                    @echo off
+                    if "$(VerifyNotice)"=="no" (
+                        echo ^"VerifyNotice^" was not set. Set to 'yes' once the NOTICE.txt is confirmed to be up-to-date.
+                        exit /B 1
+                    )
+                    exit /b 0
+              - task: CmdLine@2
+                displayName: Check VerifyChangelog
+                inputs:
+                  script: |-
+                    @echo off
+                    if "$(VerifyChangelog)"=="no" (
+                        echo ^"VerifyChangelog^" was not set. Set to 'yes' once the CHANGELOG is confirmed to be up-to-date.
+                        exit /B 1
+                    )
+                    exit /b 0
               - template: /jobs/shared/build.yml@self