chore(deps): add file_picker and share_plus for local backup UI

Needed by F1/F2 (#84): file_picker selects the .gametime backup file
on import, share_plus opens the system share/save sheet on export.

pubspec.lock

@@ -257,6 +257,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "3.1.9"
+  dbus:
+    dependency: transitive
+    description:
+      name: dbus
+      sha256: "792974a4007974fbc5c1b5433eb2330a9db3e368c3f906253af4c007d0f49a91"
+      url: "https://pub.dev"
+    source: hosted
+    version: "0.7.13"
   drift:
     dependency: "direct main"
     description:
@@ -305,6 +313,14 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "7.0.1"
+  file_picker:
+    dependency: "direct main"
+    description:
+      name: file_picker
+      sha256: f13a03000d942e476bc1ff0a736d2e9de711d2f89a95cd4c1d88f861c3348387
+      url: "https://pub.dev"
+    source: hosted
+    version: "11.0.2"
   file_selector_linux:
     dependency: transitive
     description:
@@ -824,6 +840,22 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "0.6.0"
+  share_plus:
+    dependency: "direct main"
+    description:
+      name: share_plus
+      sha256: "223873d106614442ea6f20db5a038685cc5b32a2fba81cdecaefbbae0523f7fa"
+      url: "https://pub.dev"
+    source: hosted
+    version: "12.0.2"
+  share_plus_platform_interface:
+    dependency: transitive
+    description:
+      name: share_plus_platform_interface
+      sha256: "88023e53a13429bd65d8e85e11a9b484f49d4c190abbd96c7932b74d6927cc9a"
+      url: "https://pub.dev"
+    source: hosted
+    version: "6.1.0"
   shelf:
     dependency: transitive
     description:
@@ -957,6 +989,38 @@ packages:
       url: "https://pub.dev"
     source: hosted
     version: "1.4.0"
+  url_launcher_linux:
+    dependency: transitive
+    description:
+      name: url_launcher_linux
+      sha256: d5e14138b3bc193a0f63c10a53c94b91d399df0512b1f29b94a043db7482384a
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.2.2"
+  url_launcher_platform_interface:
+    dependency: transitive
+    description:
+      name: url_launcher_platform_interface
+      sha256: "552f8a1e663569be95a8190206a38187b531910283c3e982193e4f2733f01029"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.3.2"
+  url_launcher_web:
+    dependency: transitive
+    description:
+      name: url_launcher_web
+      sha256: "85c81589622fbc87c1c683aaea164d3604a7777495a79d91e39ffcdec39ddb34"
+      url: "https://pub.dev"
+    source: hosted
+    version: "2.4.3"
+  url_launcher_windows:
+    dependency: transitive
+    description:
+      name: url_launcher_windows
+      sha256: "712c70ab1b99744ff066053cbe3e80c73332b38d46e5e945c98689b2e66fc15f"
+      url: "https://pub.dev"
+    source: hosted
+    version: "3.1.5"
   uuid:
     dependency: transitive
     description: