This updates the JDK time zone data from `tzdata2026d` to `tzdata2026e`.

The main tzdata changes included here are:

- Manitoba moves to permanent UTC-05 from November 1, 2026. This affects 
`America/Winnipeg` and uses the `EST` abbreviation in tzdata.
- Dublin's 1925 autumn transition is corrected to September 20.
- Related `TimeZoneData` test data is regenerated for `tzdata2026e`.

`Bug6329116.java` needed to be updated to accept CLDR's existing `CST` short 
name for `America/Winnipeg`, `Canada/Central`, and `America/Rainy_River`. 
This is in line with what we did for 2026c and 2026d.

For testing:


make images


make run-test CONF=tzdata2026e JOBS=4 JTREG='JOBS=6' \
  TEST="jdk/java/util/TimeZone \
    jdk/java/time/test \
    jdk/sun/util/resources \
    jdk/sun/text/resources \
    jdk/sun/util/calendar"


==============================
Test summary
==============================
   TEST                                              TOTAL  PASS  FAIL ERROR  
SKIP
   jtreg:test/jdk/java/util/TimeZone                    28    25     0     0    
 3
   jtreg:test/jdk/java/time/test                        80    80     0     0    
 0
   jtreg:test/jdk/sun/util/resources                    23    23     0     0    
 0
   jtreg:test/jdk/sun/text/resources                    18    18     0     0    
 0
   jtreg:test/jdk/sun/util/calendar                      3     3     0     0    
 0
==============================
TEST SUCCESS


All 149 selected test files passed.

Like 2026c and 2026d, this tip PR is just the tzdata import. The updated 
Winnipeg metazone data will be brought in with the CLDR v49 update.

JDK-8393344 handles the CLDR change for update releases.

---------
- [x] I confirm that I make this contribution in accordance with the [OpenJDK 
Interim AI Policy](https://openjdk.org/legal/ai).

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

Commit messages:
 - 8393337: (tz) Update Timezone Data to 2026e

Changes: https://git.openjdk.org/jdk/pull/33185/files
  Webrev: https://webrevs.openjdk.org/?repo=jdk&pr=33185&range=00
  Issue: https://bugs.openjdk.org/browse/JDK-8393337
  Stats: 134 lines in 6 files changed: 105 ins; 2 del; 27 mod
  Patch: https://git.openjdk.org/jdk/pull/33185.diff
  Fetch: git fetch https://git.openjdk.org/jdk.git pull/33185/head:pull/33185

PR: https://git.openjdk.org/jdk/pull/33185

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