deps: update dependency com.google.protobuf:protobuf-bom to v3.11.3

[renovate-bot]

This PR contains the following updates:

Package	Update	Change
com.google.protobuf:protobuf-bom (source)	patch	3.11.1 -> 3.11.3

---

Release Notes

protocolbuffers/protobuf

v3.11.3

Compare Source

C++

• Add OUT and OPTIONAL to windows portability files (#​7087)

PHP

• Refactored ulong to zend_ulong for php7.4 compatibility (#​7147)
• Call register_class before getClass from desc to fix segfault (#​7077)

---

Renovate configuration

📅 Schedule: At any time (no schedule defined).

🚦 Automerge: Disabled by config. Please merge this manually once you are satisfied.

♻️ Rebasing: Whenever PR becomes conflicted, or if you tick the rebase/retry checkbox below.

🔕 Ignore: Close this PR and you won't be reminded about this update again.

---

• If you want to rebase/retry this PR, check this box

---

This PR has been generated by WhiteSource Renovate. View repository job log here.

[codecov]

Codecov Report

Merging #49 into master will not change coverage.
The diff coverage is n/a.

@@            Coverage Diff            @@
##             master      #49   +/-   ##
=========================================
  Coverage     76.81%   76.81%           
  Complexity      164      164           
=========================================
  Files            12       12           
  Lines          1458     1458           
  Branches         10       10           
=========================================
  Hits           1120     1120           
  Misses          320      320           
  Partials         18       18

---

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 b80c0fc...59b9476. Read the comment docs.