Bump slf4j-log4j12 from 1.7.25 to 1.7.30 (#70)

Bumps [slf4j-log4j12](https://github.com/qos-ch/slf4j) from 1.7.25 to 1.7.30.
- [Release notes](https://github.com/qos-ch/slf4j/releases)
- [Commits](qos-ch/slf4j@v_1.7.25...v_1.7.30)

Signed-off-by: dependabot-preview[bot] <support@dependabot.com>

Co-authored-by: dependabot-preview[bot] <27856297+dependabot-preview[bot]@users.noreply.github.com>

Author: dependabot-preview[bot]

pom.xml

@@ -42,7 +42,7 @@
     <log4jVersion>2.7</log4jVersion>
     <mockitoVersion>1.10.19</mockitoVersion>
     <myFacesVersion>2.2.11</myFacesVersion>
-    <slf4jVersion>1.7.25</slf4jVersion>
+    <slf4jVersion>1.7.30</slf4jVersion>
     <vavrVersion>1.0.0-alpha-3</vavrVersion>
     <xercesVersion>2.12.0</xercesVersion>
     <xstreamVersion>1.4.12</xstreamVersion>