Update dependency com.mebigfatguy.sb-contrib:sb-contrib to v7.7.3

Signed-off-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

gradle/verification-metadata.xml

@@ -92,6 +92,7 @@
             <trusting group="com.mebigfatguy.sb-contrib" name="sb-contrib" version="7.7.0"/>
             <trusting group="com.mebigfatguy.sb-contrib" name="sb-contrib" version="7.7.1"/>
             <trusting group="com.mebigfatguy.sb-contrib" name="sb-contrib" version="7.7.2"/>
+            <trusting group="com.mebigfatguy.sb-contrib" name="sb-contrib" version="7.7.3"/>
          </trusted-key>
          <trusted-key id="41CD49B4EF5876F9E9F691DABAC30622339994C4" group="org.jspecify" name="jspecify" version="1.0.0"/>
          <trusted-key id="44F4797A52C336FA666CD9271DE461528F1F1B2A" group="org.apache.jackrabbit"/>

library/build.gradle

@@ -74,7 +74,7 @@ dependencies {
     implementation 'org.bouncycastle:bcpkix-jdk18on:1.83'
 
     spotbugsPlugins 'com.h3xstream.findsecbugs:findsecbugs-plugin:1.14.0'
-    spotbugsPlugins 'com.mebigfatguy.sb-contrib:sb-contrib:7.7.2'
+    spotbugsPlugins 'com.mebigfatguy.sb-contrib:sb-contrib:7.7.3'
 
     // dependencies for tests
     testImplementation "junit:junit:$junit_version"