[ROCm][CI] Pinning timm lib version to fix ImportError in Multi-Modal Tests (Nemotron) (#31835)

Signed-off-by: Andreas Karatzas <akaratza@amd.com>

requirements/rocm-test.txt

@@ -86,3 +86,5 @@ arctic-inference == 0.1.1
 open-clip-torch==2.32.0
 # Required for isaac Multi-Modal generation test
 perceptron==0.1.4
+# Required for the multi-modal models test
+timm==1.0.17