8341861: GHA: Use only retention mechanism to remove bundles

[shipilev]

On our way to more stable GHA.

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Progress

• [x] Change must be properly reviewed (1 review required, with at least 1 Reviewer)
• [x] Change must not contain extraneous whitespace
• [ ] JDK-8341861 needs maintainer approval
• [x] Commit message must refer to an issue

Issue

• JDK-8341861: GHA: Use only retention mechanism to remove bundles (Enhancement - P4 - Requested)

Reviewers

• Paul Hohensee (@phohensee - Reviewer)

Reviewing

Using git

Checkout this PR locally:
$ git fetch https://git.openjdk.org/jdk11u-dev.git pull/3108/head:pull/3108
$ git checkout pull/3108

Update a local copy of the PR:
$ git checkout pull/3108
$ git pull https://git.openjdk.org/jdk11u-dev.git pull/3108/head

Using Skara CLI tools

Checkout this PR locally:
$ git pr checkout 3108

View PR using the GUI difftool:
$ git pr show -t 3108

Using diff file

Download this PR as a diff file:
https://git.openjdk.org/jdk11u-dev/pull/3108.diff

Using Webrev

Link to Webrev Comment