chore(deps): bump fpsak-tidsserie from 2.6.3 to 2.6.6 (#337)

Bumps [fpsak-tidsserie](https://github.com/navikt/fp-tidsserie) from 2.6.3 to 2.6.6.
- [Release notes](https://github.com/navikt/fp-tidsserie/releases)
- [Changelog](https://github.com/navikt/fp-tidsserie/blob/master/release.properties)
- [Commits](navikt/fp-tidsserie@2.6.3...2.6.6)

---
updated-dependencies:
- dependency-name: no.nav.fpsak.tidsserie:fpsak-tidsserie
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

pom.xml

@@ -110,7 +110,7 @@
             <dependency>
                 <groupId>no.nav.fpsak.tidsserie</groupId>
                 <artifactId>fpsak-tidsserie</artifactId>
-                <version>2.6.3</version>
+                <version>2.6.6</version>
             </dependency>
         </dependencies>
     </dependencyManagement>