chore(deps): bump react-native-paper to 5.12.5

[flexbox]

Why

as a user,
I can use the last version of react-native-paper,
so that i don't blame snack.expo.dev to be "broken"

How

• bump react-native-paper

Test Plan

1. open https://snack.expo.dev/
2. open Text https://callstack.github.io/react-native-paper/docs/components/Text/
3. Paste

    <Text variant="displayLarge">Display Large</Text>
    <Text variant="displayMedium">Display Medium</Text>
    <Text variant="displaySmall">Display small</Text>

    <Text variant="headlineLarge">Headline Large</Text>
    <Text variant="headlineMedium">Headline Medium</Text>
    <Text variant="headlineSmall">Headline Small</Text>

    <Text variant="titleLarge">Title Large</Text>
    <Text variant="titleMedium">Title Medium</Text>
    <Text variant="titleSmall">Title Small</Text>

    <Text variant="bodyLarge">Body Large</Text>
    <Text variant="bodyMedium">Body Medium</Text>
    <Text variant="bodySmall">Body Small</Text>

    <Text variant="labelLarge">Label Large</Text>
    <Text variant="labelMedium">Label Medium</Text>
    <Text variant="labelSmall">Label Small</Text>

Actually

Expected

From my machine

snack-sdk:test: Ran all test suites.

 Tasks:    10 successful, 10 total
Cached:    8 cached, 10 total
  Time:    4.593s