Pull request 2380: ADG-9744-node-20

Squashed commit of the following:

commit 16e43b10edc8218f3d1ccec711d965c654dd851d
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 28 12:32:58 2025 +0300

    all: upd chlog

commit 2a8dcab14e9cf43fe941f67f215efe2801f2aa65
Merge: 95a4ea8cc 8b4768aad
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 28 12:32:05 2025 +0300

    Merge branch 'master' into ADG-9744-node-20

commit 95a4ea8ccbcc8cb5911b6c33007e36a04b03e616
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 24 14:06:25 2025 +0300

    bamboo-specs: fix test

commit c535028cd16bf2100b45828fe7f7693b938aaeb5
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Mon Mar 24 14:02:47 2025 +0300

    all: imp npm cache

commit bfc9d11153446b865b9756f35753e791d4040595
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 21 19:06:37 2025 +0300

    all: fix specs

commit 7127498d6aa0e0ca4585d79a15ed5f3c5e643e3a
Author: Ainar Garipov <A.Garipov@AdGuard.COM>
Date:   Fri Mar 21 18:50:57 2025 +0300

    all: upd node; rm outdated openapi lint

CHANGELOG.md

@@ -18,6 +18,17 @@ See also the [v0.107.60 GitHub milestone][ms-v0.107.60].
 NOTE: Add new changes BELOW THIS COMMENT.
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+### Deprecated
+
+- Node 20 support, Node 22 will be required in future releases.
+
+    **NOTE:** `npm` may be replaced with a different tool, such as `pnpm` or
+    `yarn`, in a future release.
+
+### Removed
+
+- Node 18 support.
+
 <!--
 NOTE: Add new changes ABOVE THIS COMMENT.
 -->