ref: Use dispatch queue in dependency container

[philipphofmann]

Avoid allocating one extra dispatch queue in the dependency container.

#skip-changelog

[philipphofmann]

We imported this header twice.

[codecov]

Codecov Report

Merging #2833 (a409663) into main (fb53d97) will decrease coverage by 0.04%.
The diff coverage is 100.00%.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #2833      +/-   ##
==========================================
- Coverage   81.33%   81.30%   -0.04%     
==========================================
  Files         258      258              
  Lines       24131    24126       -5     
  Branches    10708    10703       -5     
==========================================
- Hits        19628    19615      -13     
- Misses       4005     4012       +7     
- Partials      498      499       +1     

Impacted Files	Coverage Δ
Sources/Sentry/SentryDependencyContainer.m	92.63% <100.00%> (ø)

... and 5 files with indirect coverage changes

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[github-actions]

Performance metrics 🚀

	Plain	With Sentry	Diff
Startup time	1246.80 ms	1250.39 ms	3.59 ms
Size	20.76 KiB	425.80 KiB	405.04 KiB

Baseline results on branch: main

Startup times

Revision	Plain	With Sentry	Diff
8f397a7	1251.82 ms	1268.34 ms	16.52 ms
6ad07ae	1240.76 ms	1242.98 ms	2.22 ms
06548c0	1225.58 ms	1244.70 ms	19.12 ms
cb2eefe	1222.04 ms	1243.04 ms	21.00 ms
28333b6	1186.29 ms	1225.18 ms	38.89 ms
d253cdf	1231.61 ms	1259.52 ms	27.91 ms
ddc9b9a	1210.00 ms	1234.18 ms	24.18 ms
bd2afa6	1245.24 ms	1263.18 ms	17.94 ms
8f397a7	1219.12 ms	1236.67 ms	17.55 ms
371db89	1226.40 ms	1251.54 ms	25.14 ms

App size

Revision	Plain	With Sentry	Diff
8f397a7	20.76 KiB	420.55 KiB	399.79 KiB
6ad07ae	20.76 KiB	424.69 KiB	403.93 KiB
06548c0	20.76 KiB	427.35 KiB	406.59 KiB
cb2eefe	20.76 KiB	419.62 KiB	398.86 KiB
28333b6	20.76 KiB	424.69 KiB	403.93 KiB
d253cdf	20.76 KiB	427.66 KiB	406.90 KiB
ddc9b9a	20.76 KiB	420.40 KiB	399.64 KiB
bd2afa6	20.76 KiB	420.55 KiB	399.79 KiB
8f397a7	20.76 KiB	420.55 KiB	399.79 KiB
371db89	20.76 KiB	427.31 KiB	406.55 KiB