Bump com.github.spullara.mustache.java:compiler from 0.9.10 to 0.9.11

Bumps [com.github.spullara.mustache.java:compiler](https://github.com/spullara/mustache.java) from 0.9.10 to 0.9.11.
- [Commits](spullara/mustache.java@0.9.10...mustache.java-0.9.11)

---
updated-dependencies:
- dependency-name: com.github.spullara.mustache.java:compiler
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>

build.gradle

@@ -9,7 +9,7 @@ buildscript {
         }
     }
     dependencies {
-        classpath 'com.github.spullara.mustache.java:compiler:0.9.10',
+        classpath 'com.github.spullara.mustache.java:compiler:0.9.11',
                 'org.yaml:snakeyaml:1.33',
                 'uk.gov.ida:verify-gradle:2.0.0-37',
                 'com.google.guava:guava:23.0'