[ci] Add vector_graphics and flutter_svg to autolabeler (#8025)

Adds autolabel rules for the new packages.

.github/labeler.yml

@@ -68,6 +68,12 @@
     - any-glob-to-any-file:
       - packages/flutter_plugin_android_lifecycle/**/*
 
+'p: flutter_svg':
+  - changed-files:
+    - any-glob-to-any-file:
+      - third_party/packages/flutter_svg/**/*
+      - third_party/packages/flutter_svg_test/**/*
+
 'p: flutter_template_images':
   - changed-files:
     - any-glob-to-any-file:
@@ -188,6 +194,13 @@
     - any-glob-to-any-file:
       - packages/url_launcher/**/*
 
+'p: vector_graphics':
+  - changed-files:
+    - any-glob-to-any-file:
+      - packages/vector_graphics/**/*
+      - packages/vector_graphics_codec/**/*
+      - packages/vector_graphics_compiler/**/*
+
 'p: video_player':
   - changed-files:
     - any-glob-to-any-file: