fix(pagination): handle out-of-bounds slicing in pagination

Ensure the pagination function correctly handles out-of-bounds indices  
when slicing items. Update the slice logic to prevent slice bounds  
errors and add a test case for better coverage of edge cases.

pagination.go

@@ -87,7 +87,7 @@ func GetPage[T any](items []T, first *int, after *string, last *int, before *str
 		sIx = f
 		eIx = idx
 	}
-	page := items[sIx:eIx]
+	page := items[sIx:min(eIx, len(items))]
 	return page, PageInfo{
 		StartCursor:     ptr(EncodeCursor(fn(page[0]))),
 		HasNextPage:     eIx < len(items),

pagination_test.go

@@ -39,6 +39,16 @@ func TestGetPage(t *testing.T) {
 				EndCursor:   ptr("Mg=="),
 			},
 		},
+		{
+			name:      "first 10",
+			args:      args[string]{items: []string{"1", "2", "3"}, first: ptr(10), max: 10, fn: func(s string) string { return s }},
+			wantItems: []string{"1", "2", "3"},
+			wantPageInfo: PageInfo{
+				StartCursor: ptr("MQ=="),
+				HasNextPage: false,
+				EndCursor:   ptr("Mw=="),
+			},
+		},
 		{
 			name:      "after 2",
 			args:      args[string]{items: []string{"1", "2", "3", "4"}, first: ptr(2), after: ptr("Mg=="), max: 10, fn: func(s string) string { return s }},