Follow-up fix for CEL Common Expression Language dependency (#361)

Signed-off-by: rulex123 <[email protected]>

Author: rulex123

tools/update-api.sh

@@ -65,7 +65,7 @@ mkdir -p "${protodir}/opentelemetry/proto"
 cp -r opentelemetry-proto-*/opentelemetry/proto/* "${protodir}/opentelemetry/proto"
 
 curl -sL https://github.com/google/cel-spec/archive/v${CEL_VERSION}.tar.gz | tar xz --wildcards '*.proto'
-mkdir -p "${protodir}/cel-spec"
-cp -r cel-spec-*/proto/* "${protodir}/cel-spec"
+mkdir -p "${protodir}/cel/expr"
+cp -r cel-spec-*/proto/cel/expr/* "${protodir}/cel/expr"
 
 popd >/dev/null