chore(deps): update cloudflare to 2.20.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
cloudflare	==2.19.4 -> ==2.20.0

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Release Notes

cloudflare/python-cloudflare (cloudflare)

v2.20.0

Compare Source

 - 2024-05-10 11:44:12 +0200 [655a379](../../commit/655a3792e436bba5e5e08ceb4a7457a31ffb0345) CHANGELOG.md pushed to github
 - 2024-05-10 11:43:43 +0200 [4281e37](../../commit/4281e371190738232100dd31f79630b31b8caf3c) 2.20.0
 - 2024-05-10 11:43:20 +0200 [a28996b](../../commit/a28996b6382a7e9fcd16dcd2e475a6cd4b891bf7) Added 2.20.* notes
 - 2024-05-10 11:35:00 +0200 [7c1b27c](../../commit/7c1b27c8b6d5a7f47a98020716dd767d8b3e1834) extra AI api endpoints
 - 2024-05-10 11:27:06 +0200 [ba62a0c](../../commit/ba62a0c6625eb38eef51e7dc8390120409cb9831) more api endpoints
 - 2024-05-09 11:56:55 +0200 [71afe0e](../../commit/71afe0e7a9fcf7b8e17a4a7d293eeb3e7a780f30) moved 2.20.* warnings into a proper Python PendingDeprecationWarning message
 - 2024-05-08 11:41:37 +0200 [89d76d9](../../commit/89d76d9e23ccce3779aa6080fc7613729bc7fbf1) Merge branch 'spew-warning-for-2.20'
 - 2024-05-08 11:34:59 +0200 [2720d21](../../commit/2720d21e4227e0a1a7728d50cfe283c346bc1ff9) Added --warnings flag to cli4 and associated warnings= flag to cloudflare() call. Provides an ability to control warning messages on or after 2.20.* release
 - 2024-05-07 11:54:19 +0200 [ddbe166](../../commit/ddbe16605f96a445a8dd730036ebe85e8416e417) reduce processing of OpenAPI logic when content-type is application/json
 - 2024-05-07 11:46:45 +0200 [676d258](../../commit/676d258abf89e2c07693756fc63a003049578334) 2.20.* warning now in its own file and warning sent to stderr or logging only if release number 2.20 or above
 - 2024-05-02 12:49:53 +1000 [3181096](../../commit/31810968cfaefa9bbf3e253f702159a6504efe8d) output major version release imminent warning
 - 2024-04-29 19:15:50 +0100 [34bcb1b](../../commit/34bcb1b3f504b4ddfd8040e6972ddd2c71bc673c) HTTPError can show up when you plan with the URL value

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