RFR: 8361288: Fix build of JTReg: wget exited with exit code 4 [v2]

[Jan Kratochvil]

> https://github.com/jankratochvil/jdk21u-dev/actions/runs/16026488095/job/45215623689
> [build.sh][INFO] Downloading https://archive.apache.org/dist/ant/binaries/apache-ant-1.10.8-bin.zip to /home/runner/work/jdk21u-dev/jdk21u-dev/jtreg/src/make/../build/deps/apache-ant-1.10.8-bin.zip
> Error: sh][ERROR] wget exited with exit code 4
> Error: Process completed with exit code 1.
> 
> It is enough to make an empty commit "retry CI" and push it to re-run the Github CI.
> It happened for me twice:
> https://github.com/openjdk/jdk21u-dev/pull/1663#event-18416642257
> -> (I did not save the log, unaware how to access it now)
> https://github.com/openjdk/jdk21u-dev/pull/1664#commits-pushed-c00e2ab
> -> https://github.com/jankratochvil/jdk21u-dev/actions/runs/16026488095/job/45215623689

Jan Kratochvil has updated the pull request incrementally with one additional commit since the last revision:

  retries 20->3
  add a sleep 30

-------------

Changes:
  - all: https://git.openjdk.org/jdk/pull/26100/files
  - new: https://git.openjdk.org/jdk/pull/26100/files/45c41735..be68526a

Webrevs:
 - full: https://webrevs.openjdk.org/?repo=jdk&pr=26100&range=01
 - incr: https://webrevs.openjdk.org/?repo=jdk&pr=26100&range=00-01

  Stats: 2 lines in 1 file changed: 1 ins; 0 del; 1 mod
  Patch: https://git.openjdk.org/jdk/pull/26100.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/26100/head:pull/26100

PR: https://git.openjdk.org/jdk/pull/26100