fix: remove unnecessary import and correct cache keys

- Remove unused HTMLElementTypesFoundation import from Input.Button Tests
- Revert unnecessary test target dependency on HTMLElementTypesFoundation
- Fix CI cache keys to only use Package.swift (Package.resolved is gitignored by design for libraries)

Author: coenttb

.github/workflows/ci.yml

@@ -31,7 +31,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: .build
-          key: ${{ runner.os }}-spm-${{ hashFiles('Package.swift', 'Package.resolved') }}
+          key: ${{ runner.os }}-spm-${{ hashFiles('Package.swift') }}
           restore-keys: |
             ${{ runner.os }}-spm-
 
@@ -51,7 +51,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: .build
-          key: ${{ runner.os }}-spm-${{ hashFiles('Package.swift', 'Package.resolved') }}
+          key: ${{ runner.os }}-spm-${{ hashFiles('Package.swift') }}
           restore-keys: ${{ runner.os }}-spm-
 
       # Note: swift test builds automatically in release mode
@@ -71,7 +71,7 @@ jobs:
         uses: actions/cache@v4
         with:
           path: .build
-          key: ${{ runner.os }}-swift60-spm-${{ hashFiles('Package.swift', 'Package.resolved') }}
+          key: ${{ runner.os }}-swift60-spm-${{ hashFiles('Package.swift') }}
           restore-keys: ${{ runner.os }}-swift60-spm-
 
       # Note: swift test builds automatically

Package.swift

@@ -73,8 +73,7 @@ let package = Package(
         .testTarget(
             name: .htmlElementTypes.tests,
             dependencies: [
-                .htmlElementTypes,
-                .htmlElementTypesFoundation
+                .htmlElementTypes
             ]
         ),
         .target(

Tests/HTMLElementTypes Tests/Elements/Input.Types/Input.Button Tests.swift

@@ -11,7 +11,6 @@
 // ===----------------------------------------------------------------------===//
 
 import Foundation
-import HTMLElementTypesFoundation
 import Testing
 
 @Suite("Input.Button Test")