changed post-install-out to post-messages

[prisis]

Q	A
Bug fix?	no
New feature?	no
BC breaks?	yes
Deprecations?	no
Related tickets	-
License	MIT
Doc PR	-

[codecov]

Codecov Report

Merging #76 into master will decrease coverage by 0.01%.
The diff coverage is 53.84%.

@@            Coverage Diff             @@
##             master    #76      +/-   ##
==========================================
- Coverage     63.02%    63%   -0.02%     
  Complexity      766    766              
==========================================
  Files            51     51              
  Lines          2058   2057       -1     
==========================================
- Hits           1297   1296       -1     
  Misses          761    761

Impacted Files	Coverage Δ	Complexity Δ
src/Security/SecurityPlugin.php	89.36% <100%> (ø)	31 <3> (ø)	⬇️
src/Automatic/Automatic.php	33.61% <33.33%> (-0.19%)	128 <1> (ø)

---

Continue to review full report at Codecov.

Legend - Click here to learn more
Δ = absolute <relative> (impact), ø = not affected, ? = missing data
Powered by Codecov. Last update d4668bd...d056f69. Read the comment docs.