fix(deps): upgrade PyJWT from 2.10.1 to 2.12.1 to address CVE

PyJWT~=2.10.1 was pinning below the security fix in 2.12.x.
Widening to ~=2.12.1 picks up the patched release while staying
within the 2.x major.

All IAS token tests pass with the new version.

Author: jeanscherf

pyproject.toml

@@ -20,7 +20,7 @@ dependencies = [
     "opentelemetry-processor-baggage~=0.61b0",
     "traceloop-sdk~=0.54.0",
     "httpx>=0.27.0",
-    "PyJWT~=2.10.1",
+    "PyJWT~=2.12.1",
     "protobuf>=4.25.0",
     "protovalidate>=0.13.0",
     "grpcio>=1.60.0",