Update README.md

Signed-off-by: DerSkythe <[email protected]>

Author: derskythe

README.md

@@ -43,12 +43,12 @@ This is a [fork](https://github.com/myoung34/docker-github-actions-runner).
 ## Tag convention
 
 For example:
-`ubuntu-bionic-2.317.0-31.1`
+`ubuntu-bionic-2.318.0-31.1`
 
 The tag consists entirely of the following parts:
 
 - `ubuntu-bionic` - distributive and version
-- `2.317.0` - version of [Actions Runner](https://github.com/actions/runner/releases)
+- `2.318.0` - version of [Actions Runner](https://github.com/actions/runner/releases)
 - `31.1` - internal build number
 
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