Update version in README.md to match newly released version

README.md

@@ -9,7 +9,7 @@ Basic Update
 ```yaml
 steps:
  - uses: actions/checkout@v2
- - uses: liquibase/liquibase-github-action@v4
+ - uses: liquibase/liquibase-github-action@v5
  with:
  operation: 'update'
  classpath: 'example/changelogs'
@@ -24,7 +24,7 @@ Optional Parameter Example:
 ```yaml
 steps:
  - uses: actions/checkout@v2
- - uses: liquibase/liquibase-github-action@v4
+ - uses: liquibase/liquibase-github-action@v5
  with:
  operation: 'updateCount'
  classpath: 'example/changelogs'
@@ -186,4 +186,4 @@ We've found that the easiest way to test changes to this GitHub action is to:
  checksSettingsFile: 'liquibasech.conf'
  proLicenseKey: ${{ secrets.PRO_LICENSE_KEY }}
  ```
-- make changes as desired and observe the execution in GitHub
+- make changes as desired and observe the execution in GitHub