Change "Recovery Passphrase/Key" to "Security Phrase/Key"

[ChristianGynnild]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

Change outdated phrases "Recovery Key" and "Recovery Passphrase" to "Security Key" and "Security Phrase"

Motivation and context

Fixes #2726
Improves element-hq/element-meta#1474

Checklist

• Changes has been tested on an Android device or Android emulator with API 21
• UI change has been tested on both light and dark themes
• Accessibility has been taken into account. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#accessibility
• Pull request is based on the develop branch
• Pull request includes a new file under ./changelog.d. See https://github.com/vector-im/element-android/blob/develop/CONTRIBUTING.md#changelog
• Pull request includes screenshots or videos if containing UI changes
• Pull request includes a sign off
• You've made a self review of your PR
• If you have modified the screen flow, or added new screens to the application, you have updated the test UiAllScreensSanityTest.allScreensTest()

[ChristianGynnild]

Signed-off-by: Christian Gynnild Christianwgynnild@proton.me

[ChristianGynnild]

Rebased the commits to the latest version of the develop branch