fix: memory fix in safeRequest via nimutils

safeRequest was creating new SSL context for each request however it was
not property getting cleaned up via destroyContext(). As such each
request was computing fresh SSL context which included all root certs
which would accumulate ~1Mb of memory

chalk.nimble

@@ -11,7 +11,7 @@ bin           = @["chalk"]
 
 # Dependencies
 requires "nim >= 2.0.8"
-requires "https://github.com/crashappsec/con4m#57c908650544ab045a3a9aa6f26d274b1859d238"
+requires "https://github.com/crashappsec/con4m#14a351602fb09f867dde12a3f7c4c998047ecfd9"
 requires "https://github.com/viega/zippy == 0.10.7" # MIT
 
 # this allows us to get version externally