Bump sardine from 5.10 to 5.12 (#633)

Bumps [sardine](https://github.com/lookfirst/sardine) from 5.10 to 5.12.
- [Release notes](https://github.com/lookfirst/sardine/releases)
- [Commits](lookfirst/sardine@sardine-5.10...sardine-5.12)

---
updated-dependencies:
- dependency-name: com.github.lookfirst:sardine
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

gytheio-content-handlers/gytheio-content-handler-webdav/pom.xml

@@ -11,7 +11,7 @@
     <artifactId>gytheio-content-handler-webdav</artifactId>
 
     <properties>
-        <dependency.sardine.version>5.10</dependency.sardine.version>
+        <dependency.sardine.version>5.12</dependency.sardine.version>
     </properties>
 
     <dependencies>