About: Update year in page footers and the command help

Signed-off-by: Michael Mayer <michael@photoprism.app>

cmd/photoprism/photoprism.go

@@ -41,7 +41,7 @@ const appEdition = "ce"
 const appDescription = "PhotoPrism® is an AI-Powered Photos App for the Decentralized Web." +
 	" It makes use of the latest technologies to tag and find pictures automatically without getting in your way." +
 	" You can run it at home, on a private server, or in the cloud."
-const appCopyright = "(c) 2018-2023 PhotoPrism UG. All rights reserved."
+const appCopyright = "(c) 2018-2024 PhotoPrism UG. All rights reserved."
 
 // Metadata contains build specific information.
 var Metadata = map[string]interface{}{

frontend/src/component/footer.vue

@@ -11,7 +11,7 @@
           <div class="hidden-xs-only">
             <a href="https://raw.githubusercontent.com/photoprism/photoprism/develop/NOTICE"
                target="_blank" class="text-link">3rd-party software packages</a>
-            <a href="https://www.photoprism.app/about/team/" target="_blank" class="body-link">© 2018-2023 PhotoPrism UG</a>
+            <a href="https://www.photoprism.app/about/team/" target="_blank" class="body-link">© 2018-2024 PhotoPrism UG</a>
           </div>
         </v-flex>
       </v-layout>

frontend/tests/unit/config.js

@@ -4,7 +4,7 @@ const clientConfig = {
   about: "PhotoPrism® CE",
   edition: "ce",
   version: "210710-bae1f2d7-Linux-x86_64-DEBUG",
-  copyright: "(c) 2018-2023 PhotoPrism UG. All rights reserved.",
+  copyright: "(c) 2018-2024 PhotoPrism UG. All rights reserved.",
   flags: "public debug experimental settings",
   baseUri: "",
   staticUri: "/static",