8297067: Update Gradle to 7.6

[arapte]

This upgrades gradle to 7.6, It is blocker for upgrading Boot JDK to 19.
gradle 7.3 does not support JDK 19.
Tested that, gradle 7.6 works with JDK 17, 18, 19.

---

Progress

• Change must not contain extraneous whitespace
• Commit message must refer to an issue
• Change must be properly reviewed (2 reviews required, with at least 1 Reviewer, 1 Author)

Issue

• JDK-8297067: Update Gradle to 7.6

Reviewers

• Kevin Rushforth (@kevinrushforth - Reviewer)
• Johan Vos (@johanvos - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jfx pull/973/head:pull/973
$ git checkout pull/973

Update a local copy of the PR:
$ git checkout pull/973
$ git pull https://git.openjdk.org/jfx pull/973/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 973

View PR using the GUI difftool:
$ git pr show -t 973

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jfx/pull/973.diff

[bridgekeeper]

👋 Welcome back arapte! A progress list of the required criteria for merging this PR into master will be added to the body of your pull request. There are additional pull request commands available for use with this pull request.

[kevinrushforth]

/reviewers 2

[openjdk]

@kevinrushforth
The total number of required reviews for this PR (including the jcheck configuration and the last /reviewers command) is now set to 2 (with at least 1 Reviewer, 1 Author).

[mlbridge]

Webrevs

• 00: Full (d694655f)

[kevinrushforth]

Looks good.

@johanvos or @tiainen can one of you be the second reviewer?

[johanvos]

Works fine, this is a much-needed update!

[openjdk]

@arapte This change now passes all automated pre-integration checks.

ℹ️ This project also has non-automated pre-integration requirements. Please see the file CONTRIBUTING.md for details.

After integration, the commit message for the final commit will be:

8297067: Update Gradle to 7.6

Reviewed-by: kcr, jvos

You can use pull request commands such as /summary, /contributor and /issue to adjust it as needed.

At the time when this comment was updated there had been 4 new commits pushed to the master branch:

• 30147d2: 8298496: IconifyTest fails intermittently on Linux
• 58376eb: 8187145: (Tree)TableView with null selectionModel: throws NPE on sorting
• adfc022: 8290040: Provide simplified deterministic way to manage listeners
• f217d5e: 8298200: Clean up raw type warnings in javafx.beans.property.* and com.sun.javafx.property.*

Please see this link for an up-to-date comparison between the source branch of this pull request and the master branch.
As there are no conflicts, your changes will automatically be rebased on top of these commits when integrating. If you prefer to avoid this automatic rebasing, please check the documentation for the /integrate command for further details.

➡️ To integrate this PR with the above commit message to the master branch, type /integrate in a new comment.

[arapte]

/integrate

[openjdk]

Going to push as commit ae86ed3.
Since your change was applied there have been 4 commits pushed to the master branch:

• 30147d2: 8298496: IconifyTest fails intermittently on Linux
• 58376eb: 8187145: (Tree)TableView with null selectionModel: throws NPE on sorting
• adfc022: 8290040: Provide simplified deterministic way to manage listeners
• f217d5e: 8298200: Clean up raw type warnings in javafx.beans.property.* and com.sun.javafx.property.*

Your commit was automatically rebased without conflicts.

[openjdk]

@arapte Pushed as commit ae86ed3.

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