[C++] Bump userver and tweak a couple of places (#7760)

* bump userver commit

* explicitly disable ssl for postgres connections

* use shorter server http header

frameworks/C++/userver/userver.dockerfile

@@ -2,7 +2,7 @@ FROM ghcr.io/userver-framework/docker-userver-build-base:v1a
 WORKDIR src
 COPY userver_benchmark/src/ ./
 RUN git clone https://github.com/userver-framework/userver.git && \
-    cd userver && git checkout 84456123a6a32f68847a791f29ef56d86bb765ad
+    cd userver && git checkout ec3b7109054713b42ed9b4742d5f31e1adc43f96
 RUN mkdir build && cd build && \
     cmake -DUSERVER_IS_THE_ROOT_PROJECT=0 -DUSERVER_OPEN_SOURCE_BUILD=1 -DUSERVER_FEATURE_CRYPTOPP_BLAKE2=0 \
           -DUSERVER_FEATURE_REDIS=0 -DUSERVER_FEATURE_CLICKHOUSE=0 -DUSERVER_FEATURE_MONGODB=0 -DUSERVER_FEATURE_RABBITMQ=0 -DUSERVER_FEATURE_GRPC=0 \

frameworks/C++/userver/userver_benchmark/configs/secure_data.json

@@ -4,7 +4,7 @@
       "hello_world": [{
         "shard_number" : 0,
         "hosts": [
-          "postgresql://benchmarkdbuser:benchmarkdbpass@tfb-database:5432/hello_world"
+          "postgresql://benchmarkdbuser:benchmarkdbpass@tfb-database:5432/hello_world?sslmode=disable"
         ]
       }]
     }

frameworks/C++/userver/userver_benchmark/configs/static_config.yaml

@@ -23,6 +23,7 @@ components_manager:
             listener:                   # configuring the main listening socket...
                 port: 8080              # ...to listen on this port and...
                 task_processor: main-task-processor    # ...process incoming requests on this task processor.
+            server-name: us
         logging:
             fs-task-processor: fs-task-processor
             loggers: