chore(deps-dev): bump @angular/compiler from 21.2.17 to 21.2.20

[dependabot]

Bumps @angular/compiler from 21.2.17 to 21.2.20.

Release notes

Sourced from @​angular/compiler's releases.

21.2.20

core

Commit	Description
	sanitize host bindings on concrete hosts

http

Commit	Description
	match header values exactly when deleting
	preserve immutability of materialized clones
	run root interceptors in the terminal request chain

21.2.19

compiler

Commit	Description
	disallow i18n event attributes
	restrict possible event handler check to property names longer than 2 characters

http

Commit	Description
	distinguish repeated transfer cache params
	enable xsrf for root-provided HttpClient

platform-server

Commit	Description
	update domino to latest version

21.2.18

compiler-cli

Commit	Description
	update babel dependencies to latest v7

core

Commit	Description
	avoid caching missing locale data
	reject dynamic script host elements

http

Commit	Description
	prevent caching of responses with Set-Cookie headers

service-worker

Commit	Description
	preserve referrer in asset requests
	preserve referrer policy in asset requests

Changelog

Sourced from @​angular/compiler's changelog.

21.2.20 (2026-08-12)

core

Commit	Type	Description
6afe6fa781	fix	sanitize host bindings on concrete hosts

http

Commit	Type	Description
fec5977df4	fix	match header values exactly when deleting
e33d69a71c	fix	preserve immutability of materialized clones
caf616670f	fix	run root interceptors in the terminal request chain

21.2.19 (2026-07-29)

compiler

Commit	Type	Description
e2660c3dee	fix	disallow i18n event attributes
7b884f585a	fix	restrict possible event handler check to property names longer than 2 characters

http

Commit	Type	Description
948a8d6831	fix	distinguish repeated transfer cache params
9949dccce1	fix	enable xsrf for root-provided HttpClient

platform-server

Commit	Type	Description
f34a93c946	fix	update domino to latest version

21.2.18 (2026-07-08)

compiler-cli

Commit	Type	Description
8d22cc953b	fix	update babel dependencies to latest v7

core

Commit	Type	Description
6bcce117fb	fix	avoid caching missing locale data
5a693bafcd	fix	reject dynamic script host elements

http

Commit	Type	Description
91df739b80	fix	prevent caching of responses with Set-Cookie headers

service-worker

| Commit | Type | Description |

... (truncated)

Commits

• 6afe6fa fix(core): sanitize host bindings on concrete hosts
• 7b884f5 fix(compiler): restrict possible event handler check to property names longer...
• e2660c3 fix(compiler): disallow i18n event attributes
• See full diff in compare view

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