Update dependency langchain-openai to v0.3.28

Signed-off-by: red-hat-konflux <126015336+red-hat-konflux[bot]@users.noreply.github.com>

Author: red-hat-konflux[bot]

requirements.txt

@@ -397,9 +397,9 @@ langchain-core==0.3.66 \
 langchain-ibm==0.3.13 \
     --hash=sha256:61f3ece7c665bb37da6809f60824a521420eeda84d00927414e76d9221340cc6 \
     --hash=sha256:ca68cbb4338b50fdffd08926e8901fa96ebe12e07422193decc2f46c32ab5ea1
-langchain-openai==0.3.26 \
-    --hash=sha256:2f216b92195e43fc30a28af8842cf704e72abe3b0ae2cbf85004ca75c5274575 \
-    --hash=sha256:6f8420f164095834477d13715bc08a7553cdc229df30110d390c3d8880b728f3
+langchain-openai==0.3.28 \
+    --hash=sha256:4cd6d80a5b2ae471a168017bc01b2e0f01548328d83532400a001623624ede67 \
+    --hash=sha256:6c669548dbdea325c034ae5ef699710e2abd054c7354fdb3ef7bf909dc739d9e
 langchain-text-splitters==0.3.8 \
     --hash=sha256:116d4b9f2a22dda357d0b79e30acf005c5518177971c66a9f1ab0edfdb0f912e \
     --hash=sha256:e75cc0f4ae58dcf07d9f18776400cf8ade27fadd4ff6d264df6278bb302f6f02