add postgresql 10 compatibility to dbal

[icewind1991]

• requires add postgresql 10 compatibility to dbal 3rdparty#70

Update doctrine/dbal to include doctrine/dbal#2893 and doctrine/dbal#2916 to make it work with postgresql 10

[codecov]

Codecov Report

Merging #7210 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@             Coverage Diff              @@
##             master    #7210      +/-   ##
============================================
+ Coverage     50.84%   50.87%   +0.02%     
+ Complexity    24548    24534      -14     
============================================
  Files          1585     1584       -1     
  Lines         93804    93770      -34     
  Branches       1354     1356       +2     
============================================
+ Hits          47693    47703      +10     
+ Misses        46111    46067      -44

Impacted Files	Coverage Δ	Complexity Δ
lib/private/DB/ConnectionFactory.php	58.97% <ø> (+0.94%)	23 <0> (-1)	⬇️
lib/private/Security/Bruteforce/Throttler.php	38.13% <0%> (-5.14%)	27% <0%> (+2%)
lib/private/Security/CertificateManager.php	91.08% <0%> (-1%)	39% <0%> (ø)
lib/private/Server.php	82.74% <0%> (-0.46%)	126% <0%> (ø)
lib/private/legacy/image.php	38.51% <0%> (-0.4%)	208% <0%> (-4%)
apps/comments/js/commentstabview.js	80.06% <0%> (-0.27%)	0% <0%> (ø)
apps/files_trashbin/lib/Trashbin.php	72.28% <0%> (-0.25%)	136% <0%> (ø)
lib/private/legacy/app.php	54.06% <0%> (-0.12%)	221% <0%> (ø)
lib/private/Share20/Manager.php	86.55% <0%> (-0.1%)	235% <0%> (+1%)
lib/private/legacy/util.php	58.68% <0%> (-0.03%)	224% <0%> (-1%)
... and 20 more

[rullzer]

Can you add a drone job for postgres10 so we actually know it works ;)

[icewind1991]

@rullzer done

[MorrisJobke]

Please update 3rdparty to contain current master.

[LukasReschke]

Code looks good. Updated the thirdparty ref. Let's see what CI says :)

Addressed