Update the lang version to 2201.8.5

This change is necessary for compatibility with pull request ballerina-platform#529, which requires changes released with version 2201.8.5.
This new branch 1.8.x will be used for future patches that require lang version 2201.8.x.

gradle.properties

@@ -1,27 +1,27 @@
 org.gradle.caching=true
 puppycrawlCheckstyleVersion=10.12.0
 group=org.ballerinalang
-version=1.8.0
+version=1.8.0-SNAPSHOT
 
-ballerinaLangVersion=2201.8.0
-stdlibIoVersion=1.6.0
-stdlibConstraintVersion=1.4.0
-stdlibOsVersion=1.8.0
-stdlibUuidVersion=1.7.0
-stdlibHttpVersion=2.10.0
-stdlibUrlVersion=2.4.0
-stdlibLogVersion=2.9.0
-stdlibTimeVersion=2.4.0
-stdlibMimeVersion=2.9.0
-stdlibAuthVersion=2.10.0
-stdlibCacheVersion=3.7.0
-stdlibCryptoVersion=2.5.0
-stdlibFileVersion=1.9.0
-stdlibTaskVersion=2.5.0
-stdlibJwtVersion=2.10.0
-stdlibOAuth2Version=2.10.0
+ballerinaLangVersion=2201.8.5
+stdlibIoVersion=1.6.0-20230911-134800-de06e28
+stdlibConstraintVersion=1.4.0-20230911-142700-8202202
+stdlibOsVersion=1.8.0-20230911-142700-b182bf4
+stdlibUuidVersion=1.7.0-20230911-150900-6c4771f
+stdlibHttpVersion=2.10.0-20230911-204400-1c092fe
+stdlibUrlVersion=2.4.0-20230911-140700-36451a2
+stdlibLogVersion=2.9.0-20230911-150900-2f32c1a
+stdlibTimeVersion=2.4.0-20230911-140200-7f96f1e
+stdlibMimeVersion=2.9.0-20230911-153200-3add04c
+stdlibAuthVersion=2.10.0-20230911-153500-8c3c5cb
+stdlibCacheVersion=3.7.0-20230911-145700-142f375
+stdlibCryptoVersion=2.5.0-20230911-142900-8807d07
+stdlibFileVersion=1.9.0-20230911-153400-738b25e
+stdlibTaskVersion=2.5.0-20230911-143300-237313e
+stdlibJwtVersion=2.10.0-20230911-153400-b5de47b
+stdlibOAuth2Version=2.10.0-20230911-153600-6710ec0
 
-observeVersion=1.2.0
-observeInternalVersion=1.2.0
+observeVersion=1.2.0-20230911-133500-b3d8db3
+observeInternalVersion=1.2.0-20230911-141700-4c0454a
 
 ballerinaGradlePluginVersion=2.0.1