Update .changeset/little-colts-hang.md and reformat app-config.yaml

Co-authored-by: Tim Hansen <timbonicus@gmail.com>
Signed-off-by: Morgan Martinet <morgan@mmm-experts.com>

.changeset/little-colts-hang.md

@@ -2,4 +2,4 @@
 '@backstage/plugin-auth-backend': patch
 ---
 
-Fix oidc auth provider
+Configuration updates for the `OpenID Connect` auth provider to allow `prompt` configuration and some sensible defaults.

app-config.yaml

@@ -320,8 +320,8 @@ auth:
         authorizationUrl: ${AUTH_OIDC_AUTH_URL}
         tokenUrl: ${AUTH_OIDC_TOKEN_URL}
         tokenSignedResponseAlg: ${AUTH_OIDC_TOKEN_SIGNED_RESPONSE_ALG} # default='RS256'
-        scope: ${AUTH_OIDC_SCOPE}                                      # default='openid profile email'
-        prompt: ${AUTH_OIDC_PROMPT}                                    # default='' (allowed values: '', 'none', 'consent', 'login')
+        scope: ${AUTH_OIDC_SCOPE} # default='openid profile email'
+        prompt: ${AUTH_OIDC_PROMPT} # default='' (allowed values: '', 'none', 'consent', 'login')
     auth0:
       development:
         clientId: ${AUTH_AUTH0_CLIENT_ID}