Remove deprecated Weaviate version 1.30.18 and update version 1.34.0 in CI workflow

Author: mpartipilo

.github/workflows/main.yaml

@@ -4,7 +4,6 @@ on:
   push:
     branches:
       - main
-      - mvp
     tags:
       - '**'
     paths-ignore:
@@ -15,11 +14,10 @@ on:
   pull_request:
 
 env:
-  WEAVIATE_130: 1.30.18
   WEAVIATE_131: 1.31.16
   WEAVIATE_132: 1.32.11
   WEAVIATE_133: 1.33.0
-  WEAVIATE_134: 1.34.0-rc.0
+  WEAVIATE_134: 1.34.0
   DOTNET_VERSION: '8.x'
   DOTNET_SKIP_FIRST_TIME_EXPERIENCE: true
   DOTNET_CLI_TELEMETRY_OPTOUT: true
@@ -57,7 +55,6 @@ jobs:
       fail-fast: false
       matrix:
         server: [
-          $WEAVIATE_130,
           $WEAVIATE_131,
           $WEAVIATE_132,
           $WEAVIATE_133,