Add fingerprint of Element X nightly builds.

[bmarty]

Type of change

• Feature
• Bugfix
• Technical
• Other :

Content

We want to test migration to Element X on the nightly builds of the application, so Element Classic nightly build has to know the fingerprint of Element X nightly build.

Motivation and context

Ensure Element X nightly can sign in using Element Classic nightly.

Screenshots / GIFs

Tests

• Step 1
• Step 2
• Step ...

Tested devices

• Physical
• Emulator
• OS version(s):

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/element-hq/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/element-hq/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()

[ElementBot]

	Warnings
⚠️	vector/build.gradle#L193 - A newer version of androidx.media:media than 1.6.0 is available: 1.7.1
⚠️	vector/build.gradle#L194 - A newer version of androidx.transition:transition than 1.4.1 is available: 1.7.0
⚠️	vector/build.gradle#L197 - A newer version of org.threeten:threetenbp than 1.4.0 is available: 1.7.2
⚠️	vector/build.gradle#L238 - A newer version of com.github.rubensousa:gravitysnaphelper than 2.2.2 is available: 2.3.0
⚠️	vector/build.gradle#L265 - A newer version of androidx.browser:browser than 1.5.0 is available: 1.10.0
⚠️	vector/build.gradle#L268 - A newer version of com.nulab-inc:zxcvbn than 1.7.0 is available: 1.9.0
⚠️	vector/build.gradle#L289 - A newer version of nl.dionsegijn:konfetti-xml than 2.0.2 is available: 2.0.5
⚠️	vector/build.gradle#L297 - A newer version of com.posthog:posthog-android than 3.2.0 is available: 3.41.0
⚠️	vector/build.gradle#L303 - A newer version of androidx.emoji2:emoji2 than 1.3.0 is available: 1.6.0
⚠️	vector/build.gradle#L322 - A newer version of com.google.zxing:core than 3.3.3 is available: 3.5.4
⚠️	vector/build.gradle#L339 - A newer version of commons-codec:commons-codec than 1.15 is available: 1.21.0
⚠️	vector/build.gradle#L366 - A newer version of org.checkerframework:checker than 3.35.0 is available: 4.0.0
⚠️	vector/build.gradle#L390 - A newer version of org.jetbrains.kotlin:kotlin-reflect than 1.8.21 is available: 2.1.20

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