[pgpool-committers: 9627] pgpool: Doc: update English Configuration Example "8.2. Pgpool-II + Wat

[Bo Peng]

Doc: update English Configuration Example "8.2. Pgpool-II + Watchdog Setup Example" to Pgpool-II 4.5 and PostgreSQL 16.

Several enhancements are also added.

Branch
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V4_5_STABLE

Details
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https://git.postgresql.org/gitweb?p=pgpool2.git;a=commitdiff;h=6ac11b89f0665d0957f477e01f0c1504addc716b

Modified Files
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doc/src/sgml/example-cluster.sgml       | 791 ++++++++++++++++++--------------
src/sample/scripts/escalation.sh.sample |   2 +-
2 files changed, 446 insertions(+), 347 deletions(-)