Enable Swift 6.2 jobs in CI (#558)

Motivation:

Swift 6.2 has been released, we should add it to our CI coverage.

Modifications:

Add additional Swift 6.2 jobs where appropriate in main.yml,
pull_request.yml

Result:

Improved test coverage.

Author: rnro

.github/workflows/main.yml

@@ -14,6 +14,7 @@ jobs:
             linux_5_10_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error"
             linux_6_0_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
             linux_6_1_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+            linux_6_2_arguments_override: "-Xswiftc -warnings-as-errors --explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
             linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
             linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
 

.github/workflows/pull_request.yml

@@ -17,6 +17,7 @@ jobs:
             linux_5_10_arguments_override: "--explicit-target-dependency-import-check error"
             linux_6_0_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
             linux_6_1_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
+            linux_6_2_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
             linux_nightly_next_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
             linux_nightly_main_arguments_override: "--explicit-target-dependency-import-check error -Xswiftc -require-explicit-sendable"
 

Benchmarks/Thresholds/6.2/NIOSSHBenchmarks.ManyWrites.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal" : 201947
+}

Benchmarks/Thresholds/6.2/NIOSSHBenchmarks.SimpleHandshake.p90.json

@@ -0,0 +1,3 @@
+{
+  "mallocCountTotal": 628000
+}