Bump transformers from 4.41.2 to 4.50.0 in /examples

Bumps [transformers](https://github.com/huggingface/transformers) from 4.41.2 to 4.50.0.
- [Release notes](https://github.com/huggingface/transformers/releases)
- [Commits](huggingface/transformers@v4.41.2...v4.50.0)

---
updated-dependencies:
- dependency-name: transformers
  dependency-version: 4.50.0
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

examples/requirements.txt

@@ -13,7 +13,7 @@
 # See the License for the specific language governing permissions and
 # limitations under the License.
 
-transformers==4.41.2
+transformers==4.50.0
 flax==0.10.2
 pandas==2.2.2
 pyarrow==16.1.0