update default versions for Eclipse Java and Groovy formatters

[jochenberger]

Retry after #2381 failed and groovy/groovy-eclipse#1607 was resolved.

[jochenberger]

Greclipse update causes issues again. Why does this have to be so hard? I wish they were publishing the core formatter as a regular JAR. :-/

[jochenberger]

There are test failures:

com.diffplug.spotless.extra.groovy.GrEclipseFormatterStepSpecialCaseTest issue_1657_fixed() FAILED (18.8s)
  org.gradle.api.artifacts.ResolveException: [dev.equo.ide:solstice:1.8.1, com.diffplug.durian:durian-swt.os:4.3.1, org.bouncycastle:bcpg-jdk18on:1.80, org.bouncycastle:bcprov-jdk18on:1.80, org.bouncycastle:bcutil-jdk18on:1.80, com.ibm.icu:icu4j:76.1, net.java.dev.jna:jna-platform:5.16.0, jakarta.annotation:jakarta.annotation-api:2.1.1, jakarta.inject:jakarta.inject-api:2.0.1, commons-io:commons-io:2.18.0, commons-logging:commons-logging:1.3.5, org.apache.felix:org.apache.felix.scr:2.2.12, org.eclipse.platform:org.eclipse.compare:3.11.300, org.eclipse.platform:org.eclipse.compare.core:3.8.700, org.eclipse.platform:org.eclipse.core.commands:3.12.300, org.eclipse.platform:org.eclipse.core.contenttype:3.9.600, org.eclipse.platform:org.eclipse.core.databinding:1.13.400, org.eclipse.platform:org.eclipse.core.databinding.observable:1.13.300, org.eclipse.platform:org.eclipse.core.databinding.property:1.10.300, org.eclipse.platform:org.eclipse.core.expressions:3.9.400, org.eclipse.platform:org.eclipse.core.filebuffer
      at com.diffplug.spotless.extra.groovy.GrEclipseFormatterStepSpecialCaseTest.issue_1657_fixed(GrEclipseFormatterStepSpecialCaseTest.java:41)
  Caused by: org.gradle.api.internal.artifacts.ivyservice.TypedResolveException: Could not resolve all files for configuration ':detachedConfiguration1'.
      at app//com.diffplug.spotless.extra.groovy.GrEclipseFormatterStepSpecialCaseTest.issue_1657_fixed(GrEclipseFormatterStepSpecialCaseTest.java:41)
  Caused by: org.gradle.internal.resolve.ModuleVersionNotFoundException: Could not find org.eclipse.jdt:org.eclipse.jdt.groovy.core:5.7.0.
  Searched in the following locations:
    - https://repo.maven.apache.org/maven2/org/eclipse/jdt/org.eclipse.jdt.groovy.core/5.7.0/org.eclipse.jdt.groovy.core-5.7.0.pom
  Required by:
      root project :

I'm at a loss.