✏️(frontend) Fix GitHub capitalization

Author: karlhorky

src/backend/impress/configuration/theme/default.json

@@ -9,7 +9,7 @@
       },
       "externalLinks": [
         {
-          "label": "Github",
+          "label": "GitHub",
           "href": "https://github.com/suitenumerique/docs/"
         },
         {

src/frontend/apps/e2e/__tests__/app-impress/footer.spec.ts

@@ -21,7 +21,7 @@ test.describe('Footer', () => {
     await expect(footer.getByAltText('Docs Logo')).toBeVisible();
     await expect(footer.getByRole('heading', { name: 'Docs' })).toBeVisible();
 
-    await expect(footer.getByRole('link', { name: 'Github' })).toBeVisible();
+    await expect(footer.getByRole('link', { name: 'GitHub' })).toBeVisible();
     await expect(footer.getByRole('link', { name: 'DINUM' })).toBeVisible();
     await expect(footer.getByRole('link', { name: 'ZenDiS' })).toBeVisible();
 

src/frontend/apps/impress/src/features/home/components/HomeContent.tsx

@@ -167,7 +167,7 @@ export function HomeContent() {
                         href="https://github.com/suitenumerique/docs"
                         target="_blank"
                       >
-                        Github
+                        GitHub
                       </Button>
                     </Box>
                   </Box>

src/helm/env.d/dev/configuration/theme/demo.json

@@ -17,7 +17,7 @@
       },
       "externalLinks": [
         {
-          "label": "Github",
+          "label": "GitHub",
           "href": "https://github.com/suitenumerique/docs/"
         },
         {