Move dependencies to stable version

gradle.properties

@@ -2,16 +2,16 @@ org.gradle.caching=true
 puppycrawlCheckstyleVersion=8.18
 group=org.ballerinalang
 version=0.6.1-SNAPSHOT
-ballerinaLangVersion=2.0.0-Preview5-SNAPSHOT
+ballerinaLangVersion=2.0.0-Preview5
 mySQLDriverVersion=8.0.21
-stdlibSqlVersion=0.5.1-SNAPSHOT
-stdlibMathVersion=1.0.1-SNAPSHOT
-stdlibIoVersion=0.5.1-SNAPSHOT
-stdlibStringUtilsVersion=0.5.1-SNAPSHOT
-stdlibRuntimeVersion=0.5.1-SNAPSHOT
-stdlibSystemVersion=0.6.1-SNAPSHOT
-stdlibTimeVersion=1.0.2-SNAPSHOT
-stdlibConfigVersion=1.0.1-SNAPSHOT
-stdlibCryptoVersion=1.0.1-SNAPSHOT
-stdlibLogVersion=1.0.1-SNAPSHOT
-stdlibFilepathVersion=0.7.2-SNAPSHOT
+stdlibSqlVersion=0.5.1
+stdlibMathVersion=1.0.1
+stdlibIoVersion=0.5.1
+stdlibStringUtilsVersion=0.5.1
+stdlibRuntimeVersion=0.5.1
+stdlibSystemVersion=0.6.1
+stdlibTimeVersion=1.0.2
+stdlibConfigVersion=1.0.1
+stdlibCryptoVersion=1.0.1
+stdlibLogVersion=1.0.1
+stdlibFilepathVersion=0.7.2