test(context): avoid generic pointer inference lint

Co-authored-by: Copilot App <223556219+Copilot@users.noreply.github.com>

Author: SamMorrowDrums

pkg/github/context_tools_test.go

@@ -144,9 +144,11 @@ func Test_GetMe(t *testing.T) {
 func Test_GetMe_OmittedArguments(t *testing.T) {
 	t.Parallel()
 
+	login := "testuser"
+	profileURL := "https://github.com/testuser"
 	mockUser := &github.User{
-		Login:     github.Ptr("testuser"),
-		HTMLURL:   github.Ptr("https://github.com/testuser"),
+		Login:     &login,
+		HTMLURL:   &profileURL,
 		CreatedAt: &github.Timestamp{Time: time.Now()},
 	}
 	mockedClient := MockHTTPClientWithHandlers(map[string]http.HandlerFunc{
@@ -171,9 +173,11 @@ func Test_GetMe_OmittedArguments(t *testing.T) {
 }
 
 func TestContextToolsTypedRegistration(t *testing.T) {
+	login := "testuser"
+	profileURL := "https://github.com/testuser"
 	mockUser := &github.User{
-		Login:     github.Ptr("testuser"),
-		HTMLURL:   github.Ptr("https://github.com/testuser"),
+		Login:     &login,
+		HTMLURL:   &profileURL,
 		CreatedAt: &github.Timestamp{Time: time.Now()},
 	}
 	teamsMatcher := githubv4mock.NewQueryMatcher(