libpq: bump versions

[valgur]

https://www.postgresql.org/about/news/postgresql-162-156-1411-1314-and-1218-released-2807/

Also adds zlib and ICU support.

[conan-center-bot]

Conan v1 pipeline ❌

Failure in build 2 (93da41f2f2c0a62ffe7f61a890116c0e1624e857):

• libpq/15.6:
  Didn't run or was cancelled before finishing

• libpq/14.11:
  Didn't run or was cancelled before finishing

• libpq/13.14:
  Didn't run or was cancelled before finishing

• libpq/16.2:
  Didn't run or was cancelled before finishing

• libpq/12.18:
  Didn't run or was cancelled before finishing

• libpq/15.4:
  Didn't run or was cancelled before finishing

• libpq/11.22:
  Error running command conan info libpq/11.22@#59bba48ec3b6587b5d4fdd2c6caaeffa --json {jsonName} -pr {profileName}:

  [settings]
  arch=armv8
  build_type=Release
  compiler=apple-clang
  compiler.libcxx=libc++
  compiler.version=13.0
  os=Macos
  [options]
  libpq:shared=False
  
  ...
  ERROR: libpq/11.22: Error in requirements() method, line 84
  	if self.options.with_zlib:
  	ConanException: option 'with_zlib' doesn't exist
  Possible options are ['shared', 'fPIC', 'with_openssl', 'with_icu', 'disable_rpath']
  

---

^{Note: To save resources, CI tries to finish as soon as an error is found. For this reason you might find that not all the references have been launched or not all the configurations for a given reference. Also, take into account that we cannot guarantee the order of execution as it depends on CI workload and workers availability.}

---

Conan v2 pipeline ❌

Note: Conan v2 builds are now mandatory. Please read our discussion about it.

The v2 pipeline failed. Please, review the errors and note this is required for pull requests to be merged. In case this recipe is still not ported to Conan 2.x, please, ping @conan-io/barbarians on the PR and we will help you.

See details:

Failure in build 2 (93da41f2f2c0a62ffe7f61a890116c0e1624e857):

• libpq/15.6:
  Didn't run or was cancelled before finishing

• libpq/14.11:
  Didn't run or was cancelled before finishing

• libpq/16.2:
  Didn't run or was cancelled before finishing

• libpq/11.22:
  Didn't run or was cancelled before finishing

• libpq/13.14:
  Didn't run or was cancelled before finishing

• libpq/15.4:
  Error running command conan graph info --requires libpq/15.4@#d4243c8e4e1b859baca595f279d2b8ba -f json -pr:h /home/conan/workspace/prod-v2/bsr/9462/dfbff/profile_osx_13_libcpp_17_apple-clang_release_64.-shared-False.txt -pr:b /home/conan/workspace/prod-v2/bsr/9462/dfbff/profile_osx_13_libcpp_17_apple-clang_release_armv8..txt:

  ======== Computing dependency graph ========
  ERROR: libpq/15.4: Error in requirements() method, line 84
  	if self.options.with_zlib:
  	ConanException: option 'with_zlib' doesn't exist
  Possible options are ['shared', 'fPIC', 'with_openssl', 'with_icu', 'disable_rpath']
  

• libpq/12.18:
  Didn't run or was cancelled before finishing

---

^{Note: To save resources, CI tries to finish as soon as an error is found. For this reason you might find that not all the references have been launched or not all the configurations for a given reference. Also, take into account that we cannot guarantee the order of execution as it depends on CI workload and workers availability.}

[gsantner]

Hello @valgur ,
thanks for the PR!
Did you get libpq to build sucessfully with these changes? Do you plan to fix the remaining issues in this PR / pick it up again?