update changelog

Squashed commit of the following:

commit 1762e2f
Merge: 6f8d673 bdd1435
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Fri Apr 14 12:23:10 2023 +0300

    Merge branch 'master' into fix/update-changelog

commit 6f8d673
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Fri Apr 14 00:22:23 2023 +0300

    fix changelog

commit 192abc7
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Thu Apr 13 21:31:28 2023 +0300

    fix changelog

commit b8a47d5
Merge: 52e125e c593a6c
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Thu Apr 13 21:30:33 2023 +0300

    Merge branch 'master' into fix/update-changelog

commit 52e125e
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Thu Apr 13 18:39:33 2023 +0300

    fix changelog

commit d4a2b74
Author: Slava Leleka <v.leleka@adguard.com>
Date:   Tue Apr 11 14:36:23 2023 +0300

    update changelog

CHANGELOG.md

@@ -5,7 +5,7 @@ The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/),
 and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html).
 
 
-## Unreleased
+## [v1.9.7] - 2023-03-14
 
 ### Added
 
@@ -21,7 +21,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - issue with `MutationObserver.disconnect()` in `trusted-click-element` [#284](https://github.com/AdguardTeam/Scriptlets/issues/284)
 
 
-## v1.9.1
+## [v1.9.1] - 2023-03-07
 
 ### Added
 
@@ -41,7 +41,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - improve performance of the `isValidScriptletName()` method
 
 
-## v1.8.2
+## [v1.8.2] - 2023-01-19
 
 ### Added
 
@@ -62,7 +62,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - missing `googletagmanager-gtm` in compatibility table
 
 
-## v1.7.20
+## [v1.7.20] - 2022-12-26
 
 ### Added
 
@@ -74,29 +74,29 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - Redirects types.
 
 
-## v1.7.19
+## [v1.7.19] - 2022-12-22
 
 ### Fixed
 
 - `prevent-addEventListener` and `log-addEventListener` loosing context when encountering already bound `.addEventListener`
 - `google-ima3` conversion
 
 
-## v1.7.14
+## [v1.7.14] - 2022-12-16
 
 ### Added
 
 * `set-constant` ADG→UBO conversion for [`emptyArr` and `emptyObj`](https://github.com/uBlockOrigin/uBlock-issues/issues/2411)
 
 
-## v1.7.13
+## [v1.7.13] - 2022-12-13
 
 ### Fixed
 
 * `isEmptyObject` helper not counting `prototype` as an object property
 
 
-## v1.7.10
+## [v1.7.10] - 2022-12-07
 
 ### Added
 
@@ -110,7 +110,7 @@ and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0
 - request properties array not being served to `getRequestData` and `parseMatchProps` helpers
 
 
-## v1.7.3
+## [v1.7.3] - 2022-11-21
 
 ### Added