Update dependency bootsnap to v1.18.3 (#137)

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This PR contains the following updates:

| Package | Change | Age | Adoption | Passing | Confidence |
|---|---|---|---|---|---|
| bootsnap | `1.17.1` -> `1.18.3` |
[![age](https://developer.mend.io/api/mc/badges/age/rubygems/bootsnap/1.18.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
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|
[![passing](https://developer.mend.io/api/mc/badges/compatibility/rubygems/bootsnap/1.17.1/1.18.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|
[![confidence](https://developer.mend.io/api/mc/badges/confidence/rubygems/bootsnap/1.17.1/1.18.3?slim=true)](https://docs.renovatebot.com/merge-confidence/)
|

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Gemfile.lock

@@ -64,7 +64,7 @@ GEM
       public_suffix (>= 2.0.2, < 6.0)
     awesome_print (1.9.2)
     bindex (0.8.1)
-    bootsnap (1.17.1)
+    bootsnap (1.18.3)
       msgpack (~> 1.2)
     builder (3.2.4)
     byebug (11.1.3)