chore: Update pubspec.lock files to bump versions of stac packages to 1.0.0-dev.7, stac_core to 0.2.0, stac_framework to 0.4.0 across examples

Author: divyanshub024

examples/counter_example/pubspec.lock

@@ -726,21 +726,21 @@ packages:
       path: "../../packages/stac"
       relative: true
     source: path
-    version: "1.0.0-dev.6"
+    version: "1.0.0-dev.7"
   stac_core:
     dependency: "direct overridden"
     description:
       path: "../../packages/stac_core"
       relative: true
     source: path
-    version: "0.1.0"
+    version: "0.2.0"
   stac_framework:
     dependency: "direct overridden"
     description:
       path: "../../packages/stac_framework"
       relative: true
     source: path
-    version: "0.3.0"
+    version: "0.4.0"
   stac_logger:
     dependency: "direct overridden"
     description:

examples/movie_app/pubspec.lock

@@ -446,21 +446,21 @@ packages:
       path: "../../packages/stac"
       relative: true
     source: path
-    version: "1.0.0-dev.6"
+    version: "1.0.0-dev.7"
   stac_core:
     dependency: "direct main"
     description:
       path: "../../packages/stac_core"
       relative: true
     source: path
-    version: "0.1.0"
+    version: "0.2.0"
   stac_framework:
     dependency: "direct overridden"
     description:
       path: "../../packages/stac_framework"
       relative: true
     source: path
-    version: "0.3.0"
+    version: "0.4.0"
   stac_logger:
     dependency: "direct overridden"
     description:

examples/stac_gallery/pubspec.lock

@@ -726,21 +726,21 @@ packages:
       path: "../../packages/stac"
       relative: true
     source: path
-    version: "1.0.0-dev.6"
+    version: "1.0.0-dev.7"
   stac_core:
     dependency: "direct main"
     description:
       path: "../../packages/stac_core"
       relative: true
     source: path
-    version: "0.1.0"
+    version: "0.2.0"
   stac_framework:
     dependency: "direct overridden"
     description:
       path: "../../packages/stac_framework"
       relative: true
     source: path
-    version: "0.3.0"
+    version: "0.4.0"
   stac_logger:
     dependency: "direct overridden"
     description: