[C++] [userver] bump userver commit, tune configs a bit (#8497)

frameworks/C++/userver/userver-bare.dockerfile

@@ -6,7 +6,7 @@ RUN apt update && \
 
 WORKDIR /src
 RUN git clone https://github.com/userver-framework/userver.git && \
-    cd userver && git checkout 9ca143ebe99c70be532ed4dde386a165a833181d
+    cd userver && git checkout 73727ce95d24f18651fc018c45f50c492f858027
 COPY userver_benchmark/ ./
 RUN mkdir build && cd build && \
     cmake -DUSERVER_IS_THE_ROOT_PROJECT=0 -DUSERVER_FEATURE_CRYPTOPP_BLAKE2=0 \

frameworks/C++/userver/userver.dockerfile

@@ -6,7 +6,7 @@ RUN apt update && \
 
 WORKDIR /src
 RUN git clone https://github.com/userver-framework/userver.git && \
-    cd userver && git checkout 9ca143ebe99c70be532ed4dde386a165a833181d
+    cd userver && git checkout 73727ce95d24f18651fc018c45f50c492f858027
 COPY userver_benchmark/ ./
 RUN mkdir build && cd build && \
     cmake -DUSERVER_IS_THE_ROOT_PROJECT=0 -DUSERVER_FEATURE_CRYPTOPP_BLAKE2=0 \

frameworks/C++/userver/userver_configs/dynamic_config_fallback.json

@@ -35,7 +35,7 @@
       "default-task-processor": {
         "wait_queue_overload": {
           "action": "ignore",
-          "length_limit": 300000,
+          "length_limit": 0,
           "time_limit_us": 10000000
         }
       }

frameworks/C++/userver/userver_configs/static_config.yaml

@@ -120,9 +120,3 @@ components_manager:
             decompress_request: false
             task_processor: main-task-processor
 
-userver_experiments:
- # please note that this doesn't actually fully enable pipelining (which is forbidden by TFB rules):
- # all it does is it pipelines first BEGIN, SELECT SET_CONFIG, <first execute> of a transaction, all other
- # operations are still performed with a round-trip to a server (basically every pipeline contains a single operation).
- - pg-connection-pipeline-enabled
-