fix(deps): Bump Groovy to 4.0.32

[jamesfredley]

Brings 8.0.x's Groovy 4 pin in line with 7.0.x, which moved to 4.0.32 in 9917b129fb ("fix(deps): Bump Groovy to 4.0.32").

On 8.0.x both groovy.version and gradle-groovy.version are held at the same value today, so both are bumped together.

Apache Groovy 4.0.32 is on Maven Central:

• https://repo1.maven.org/maven2/org/apache/groovy/groovy/4.0.32/
• https://repo1.maven.org/maven2/org/apache/groovy/groovy-bom/4.0.32/

Verified locally on JDK 21:

./gradlew :grails-core:compileGroovy :grails-bootstrap:compileGroovy \
          validateDependencyVersions --refresh-dependencies
-> BUILD SUCCESSFUL in 1m 17s (198 actionable tasks)

Once merged, this propagates to the stacked Groovy 5 (#15557) and Groovy 6 canary (#15558) PRs via the usual base-sync.

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[testlens-app]

🚨 TestLens detected 2 failed tests 🚨

Here is what you can do:

1. Inspect the test failures carefully.
2. If you are convinced that some of the tests are flaky, you can mute them below.
3. Finally, trigger a rerun by checking the rerun checkbox.

Test Summary

Check	Project/Task	Test	Runs
CI - Groovy Joint Validation Build / build_grails	:grails-data-hibernate5-dbmigration:test	GroovyChangeLogSpec > outputs a warning message by calling the warn method	❌
CI - Groovy Joint Validation Build / build_grails	:grails-data-hibernate5-dbmigration:test	GroovyChangeLogSpec > updates a database with Groovy Change	❌

🏷️ Commit: d393183
▶️ Tests: 36071 executed
🟡 Checks: 35/36 completed

Test Failures

GroovyChangeLogSpec > outputs a warning message by calling the warn method (:grails-data-hibernate5-dbmigration:test in CI - Groovy Joint Validation Build / build_grails)

Condition not satisfied:

output.toString().contains('warn message')
|      |          |
|      |          false
|      19:25:45.693 [Test worker] INFO org.hibernate.dialect.Dialect -- HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
|      Running Changeset: changelog.groovy::2::John Smith
|       
|      UPDATE SUMMARY
|      Run:                          1
|      Previously run:               0
|      Filtered out:                 0
|      -------------------------------
|      Total change sets:            1
|       
|      Liquibase: Update has been successful. Rows affected: 1
19:25:45.693 [Test worker] INFO org.hibernate.dialect.Dialect -- HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
Running Changeset: changelog.groovy::2::John Smith
 
UPDATE SUMMARY
Run:                          1
Previously run:               0
Filtered out:                 0
-------------------------------
Total change sets:            1
 
Liquibase: Update has been successful. Rows affected: 1

	at org.grails.plugins.databasemigration.liquibase.GroovyChangeLogSpec.outputs a warning message by calling the warn method(GroovyChangeLogSpec.groovy:87)

GroovyChangeLogSpec > updates a database with Groovy Change (:grails-data-hibernate5-dbmigration:test in CI - Groovy Joint Validation Build / build_grails)

Condition not satisfied:

output.toString().contains('confirmation message')
|      |          |
|      |          false
|      19:25:45.082 [Test worker] INFO org.hibernate.dialect.Dialect -- HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
|      Running Changeset: changelog.groovy::1::John Smith
|       
|      UPDATE SUMMARY
|      Run:                          1
|      Previously run:               0
|      Filtered out:                 0
|      -------------------------------
|      Total change sets:            1
|       
|      Liquibase: Update has been successful. Rows affected: 1
19:25:45.082 [Test worker] INFO org.hibernate.dialect.Dialect -- HHH000400: Using dialect: org.hibernate.dialect.H2Dialect
Running Changeset: changelog.groovy::1::John Smith
 
UPDATE SUMMARY
Run:                          1
Previously run:               0
Filtered out:                 0
-------------------------------
Total change sets:            1
 
Liquibase: Update has been successful. Rows affected: 1

	at org.grails.plugins.databasemigration.liquibase.GroovyChangeLogSpec.updates a database with Groovy Change(GroovyChangeLogSpec.groovy:61)

Muted Tests

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🔲 GroovyChangeLogSpec > outputs a warning message by calling the warn method
🔲 GroovyChangeLogSpec > updates a database with Groovy Change

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