Revert dependency bump that breaks Java 11 build

Dependabot changed `error-prone` library to 2.36.0 again in nitrite#1089,
re-breaking the fix that was included in nitrite#1083.

This reverts commit 6902df0.

Author: leoger

.github/dependabot.yml

@@ -5,6 +5,10 @@ updates:
     schedule:
       interval: daily
     target-branch: main
+    ignore:
+      # Ignore minor version updates for dependencies with group ID "com.google.errorprone"
+      - dependency-name: "com.google.errorprone:*"
+        update-types: [ "version-update:semver-minor" ]
 
   - package-ecosystem: "github-actions"
     directory: "/"

pom.xml

@@ -81,7 +81,7 @@
         <threetenbp.version>1.7.0</threetenbp.version>
 
         <!-- Error Prone version > 2.31.0 can't run on JDK 11. see https://errorprone.info/docs/installation -->
-        <error-prone.version>2.36.0</error-prone.version>
+        <error-prone.version>2.31.0</error-prone.version>
 
         <jacoco.version>0.8.12</jacoco.version>
         <surefire.version>3.5.2</surefire.version>