CI: Tune VNF configuration files in Aerial pipeline

Adjust target SNR values and introduce RSSI thresholds in the VNF configuration
files to prevent UL saturation. These changes improve uplink stability and
performance for tests with Aerial and WNC RU.

ci-scripts/conf_files/gnb-vnf.sa.band78.273prb.aerial.conf

@@ -25,6 +25,7 @@ gNBs =
     do_CSIRS              = 1;
     do_SRS                = 1;
     min_rxtxtime          = 2;
+    uess_agg_levels       = [0, 4, 2, 1, 0];
 
     servingCellConfigCommon = (
     {
@@ -186,8 +187,10 @@ MACRLCs = (
   remote_s_portd     = 50010; // pnf p7 port [!]
   tr_s_preference    = "aerial";
   tr_n_preference    = "local_RRC";
-  pusch_TargetSNRx10 = 280; # 150;
-  pucch_TargetSNRx10 = 200; #200;
+  pucch_RSSI_Threshold = -270;
+  pusch_RSSI_Threshold = -260;
+  pusch_TargetSNRx10 = 280;
+  pucch_TargetSNRx10 = 200;
   dl_max_mcs         = 28;
   ul_max_mcs         = 28;
 }

ci-scripts/conf_files/gnb-vnf.sa.band78.273prb.aerial.ul-heavy.conf

@@ -187,11 +187,13 @@ MACRLCs = (
   remote_s_portd   = 50010; // pnf p7 port [!]
   tr_s_preference             = "aerial";
   tr_n_preference             = "local_RRC";
+  pucch_RSSI_Threshold = -270;
+  pusch_RSSI_Threshold = -260;
   pusch_TargetSNRx10          = 260; # 150;
   pucch_TargetSNRx10          = 200; #200;
   dl_max_mcs = 28;
   ul_max_mcs = 28;
-  ul_min_mcs = 16;
+  ul_min_mcs = 9;
 }
 );