ci: don't cache pubspec.lock

Cached pubspec.lock doesn't update after updating dependencies

Author: adil192

.github/workflows/android-play-store.yml

@@ -32,7 +32,6 @@ jobs:
             macos/Flutter/ephemeral/
             windows/flutter/ephemeral/
             .flutter-plugins-dependencies
-            pubspec.lock
           key: ${{ runner.OS }}-saber-${{ hashFiles('**/pubspec.lock') }}-${{ hashFiles('**/*.dart') }}
           restore-keys: |
             ${{ runner.OS }}-saber-

.github/workflows/android.yml

@@ -38,7 +38,6 @@ jobs:
             macos/Flutter/ephemeral/
             windows/flutter/ephemeral/
             .flutter-plugins-dependencies
-            pubspec.lock
           key: ${{ runner.OS }}-saber-${{ hashFiles('**/pubspec.lock') }}-${{ hashFiles('**/*.dart') }}
           restore-keys: |
             ${{ runner.OS }}-saber-

.github/workflows/linux.yml

@@ -49,7 +49,6 @@ jobs:
             macos/Flutter/ephemeral/
             windows/flutter/ephemeral/
             .flutter-plugins-dependencies
-            pubspec.lock
           key: ${{ runner.OS }}-${{ matrix.arch.cache-name }}-${{ hashFiles('**/pubspec.lock') }}-${{ hashFiles('**/*.dart') }}
           restore-keys: |
             ${{ runner.OS }}-${{ matrix.arch.cache-name }}-

.github/workflows/tests.yml

@@ -28,7 +28,6 @@ jobs:
             macos/Flutter/ephemeral/
             windows/flutter/ephemeral/
             .flutter-plugins-dependencies
-            pubspec.lock
           key: ${{ runner.OS }}-saber-${{ hashFiles('**/pubspec.lock') }}-${{ hashFiles('**/*.dart') }}
           restore-keys: |
             ${{ runner.OS }}-saber-

.github/workflows/windows.yml

@@ -33,7 +33,6 @@ jobs:
             macos/Flutter/ephemeral/
             windows/flutter/ephemeral/
             .flutter-plugins-dependencies
-            pubspec.lock
           key: ${{ runner.OS }}-saber-${{ hashFiles('**/pubspec.lock') }}-${{ hashFiles('**/*.dart') }}
           restore-keys: |
             ${{ runner.OS }}-saber-